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Theorem mdetmul 20248
 Description: Multiplicativity of the determinant function: the determinant of a matrix product of square matrices equals the product of their determinants. Proposition 4.15 in [Lang] p. 517. (Contributed by Stefan O'Rear, 16-Jul-2018.)
Hypotheses
Ref Expression
mdetmul.a 𝐴 = (𝑁 Mat 𝑅)
mdetmul.b 𝐵 = (Base‘𝐴)
mdetmul.d 𝐷 = (𝑁 maDet 𝑅)
mdetmul.t1 · = (.r𝑅)
mdetmul.t2 = (.r𝐴)
Assertion
Ref Expression
mdetmul ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷‘(𝐹 𝐺)) = ((𝐷𝐹) · (𝐷𝐺)))

Proof of Theorem mdetmul
Dummy variables 𝑎 𝑏 𝑐 𝑑 𝑒 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 mdetmul.a . . 3 𝐴 = (𝑁 Mat 𝑅)
2 mdetmul.b . . 3 𝐵 = (Base‘𝐴)
3 eqid 2610 . . 3 (Base‘𝑅) = (Base‘𝑅)
4 eqid 2610 . . 3 (0g𝑅) = (0g𝑅)
5 eqid 2610 . . 3 (1r𝑅) = (1r𝑅)
6 eqid 2610 . . 3 (+g𝑅) = (+g𝑅)
7 mdetmul.t1 . . 3 · = (.r𝑅)
81, 2matrcl 20037 . . . . 5 (𝐹𝐵 → (𝑁 ∈ Fin ∧ 𝑅 ∈ V))
98simpld 474 . . . 4 (𝐹𝐵𝑁 ∈ Fin)
1093ad2ant2 1076 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝑁 ∈ Fin)
11 crngring 18381 . . . 4 (𝑅 ∈ CRing → 𝑅 ∈ Ring)
12113ad2ant1 1075 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝑅 ∈ Ring)
13 mdetmul.d . . . . . . . 8 𝐷 = (𝑁 maDet 𝑅)
1413, 1, 2, 3mdetf 20220 . . . . . . 7 (𝑅 ∈ CRing → 𝐷:𝐵⟶(Base‘𝑅))
15143ad2ant1 1075 . . . . . 6 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐷:𝐵⟶(Base‘𝑅))
1615adantr 480 . . . . 5 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → 𝐷:𝐵⟶(Base‘𝑅))
171matring 20068 . . . . . . . 8 ((𝑁 ∈ Fin ∧ 𝑅 ∈ Ring) → 𝐴 ∈ Ring)
1810, 12, 17syl2anc 691 . . . . . . 7 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐴 ∈ Ring)
1918adantr 480 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → 𝐴 ∈ Ring)
20 simpr 476 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → 𝑎𝐵)
21 simpl3 1059 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → 𝐺𝐵)
22 mdetmul.t2 . . . . . . 7 = (.r𝐴)
232, 22ringcl 18384 . . . . . 6 ((𝐴 ∈ Ring ∧ 𝑎𝐵𝐺𝐵) → (𝑎 𝐺) ∈ 𝐵)
2419, 20, 21, 23syl3anc 1318 . . . . 5 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → (𝑎 𝐺) ∈ 𝐵)
2516, 24ffvelrnd 6268 . . . 4 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ 𝑎𝐵) → (𝐷‘(𝑎 𝐺)) ∈ (Base‘𝑅))
26 eqid 2610 . . . 4 (𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺))) = (𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))
2725, 26fmptd 6292 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺))):𝐵⟶(Base‘𝑅))
28 simp21 1087 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑏𝐵)
29 oveq1 6556 . . . . . . . . 9 (𝑎 = 𝑏 → (𝑎 𝐺) = (𝑏 𝐺))
3029fveq2d 6107 . . . . . . . 8 (𝑎 = 𝑏 → (𝐷‘(𝑎 𝐺)) = (𝐷‘(𝑏 𝐺)))
31 fvex 6113 . . . . . . . 8 (𝐷‘(𝑏 𝐺)) ∈ V
3230, 26, 31fvmpt 6191 . . . . . . 7 (𝑏𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
3328, 32syl 17 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
34 simp11 1084 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑅 ∈ CRing)
3518adantr 480 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → 𝐴 ∈ Ring)
36 simpr1 1060 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → 𝑏𝐵)
37 simpl3 1059 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → 𝐺𝐵)
382, 22ringcl 18384 . . . . . . . . 9 ((𝐴 ∈ Ring ∧ 𝑏𝐵𝐺𝐵) → (𝑏 𝐺) ∈ 𝐵)
3935, 36, 37, 38syl3anc 1318 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → (𝑏 𝐺) ∈ 𝐵)
40393adant3 1074 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → (𝑏 𝐺) ∈ 𝐵)
41 simp22 1088 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑐𝑁)
42 simp23 1089 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑑𝑁)
43 simp3l 1082 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → 𝑐𝑑)
44 simpl3r 1110 . . . . . . . . . 10 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))
45 eqid 2610 . . . . . . . . . . . 12 𝑁 = 𝑁
46 oveq1 6556 . . . . . . . . . . . . 13 ((𝑐𝑏𝑒) = (𝑑𝑏𝑒) → ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)) = ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))
4746ralimi 2936 . . . . . . . . . . . 12 (∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒) → ∀𝑒𝑁 ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)) = ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))
48 mpteq12 4664 . . . . . . . . . . . 12 ((𝑁 = 𝑁 ∧ ∀𝑒𝑁 ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)) = ((𝑑𝑏𝑒) · (𝑒𝐺𝑎))) → (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎))) = (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎))))
4945, 47, 48sylancr 694 . . . . . . . . . . 11 (∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒) → (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎))) = (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎))))
5049oveq2d 6565 . . . . . . . . . 10 (∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒) → (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
5144, 50syl 17 . . . . . . . . 9 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
52 simp1 1054 . . . . . . . . . . . . . . 15 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝑅 ∈ CRing)
53 eqid 2610 . . . . . . . . . . . . . . . . 17 (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)
541, 53matmulr 20063 . . . . . . . . . . . . . . . 16 ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = (.r𝐴))
5554, 22syl6eqr 2662 . . . . . . . . . . . . . . 15 ((𝑁 ∈ Fin ∧ 𝑅 ∈ CRing) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
5610, 52, 55syl2anc 691 . . . . . . . . . . . . . 14 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
5756ad2antrr 758 . . . . . . . . . . . . 13 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
5857oveqd 6566 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑏 𝐺))
5958oveqd 6566 . . . . . . . . . . 11 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑐(𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺)𝑎) = (𝑐(𝑏 𝐺)𝑎))
60 simpll1 1093 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑅 ∈ CRing)
6110ad2antrr 758 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑁 ∈ Fin)
62 simplr1 1096 . . . . . . . . . . . . 13 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑏𝐵)
631, 3, 2matbas2i 20047 . . . . . . . . . . . . 13 (𝑏𝐵𝑏 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
6462, 63syl 17 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑏 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
651, 3, 2matbas2i 20047 . . . . . . . . . . . . . 14 (𝐺𝐵𝐺 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
66653ad2ant3 1077 . . . . . . . . . . . . 13 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐺 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
6766ad2antrr 758 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝐺 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
68 simplr2 1097 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑐𝑁)
69 simpr 476 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑎𝑁)
7053, 3, 7, 60, 61, 61, 61, 64, 67, 68, 69mamufv 20012 . . . . . . . . . . 11 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑐(𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))))
7159, 70eqtr3d 2646 . . . . . . . . . 10 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑐(𝑏 𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))))
72713adantl3 1212 . . . . . . . . 9 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → (𝑐(𝑏 𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑐𝑏𝑒) · (𝑒𝐺𝑎)))))
7358oveqd 6566 . . . . . . . . . . 11 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑑(𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺)𝑎) = (𝑑(𝑏 𝐺)𝑎))
74 simplr3 1098 . . . . . . . . . . . 12 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → 𝑑𝑁)
7553, 3, 7, 60, 61, 61, 61, 64, 67, 74, 69mamufv 20012 . . . . . . . . . . 11 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑑(𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
7673, 75eqtr3d 2646 . . . . . . . . . 10 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) ∧ 𝑎𝑁) → (𝑑(𝑏 𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
77763adantl3 1212 . . . . . . . . 9 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → (𝑑(𝑏 𝐺)𝑎) = (𝑅 Σg (𝑒𝑁 ↦ ((𝑑𝑏𝑒) · (𝑒𝐺𝑎)))))
7851, 72, 773eqtr4d 2654 . . . . . . . 8 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) ∧ 𝑎𝑁) → (𝑐(𝑏 𝐺)𝑎) = (𝑑(𝑏 𝐺)𝑎))
7978ralrimiva 2949 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → ∀𝑎𝑁 (𝑐(𝑏 𝐺)𝑎) = (𝑑(𝑏 𝐺)𝑎))
8013, 1, 2, 4, 34, 40, 41, 42, 43, 79mdetralt 20233 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → (𝐷‘(𝑏 𝐺)) = (0g𝑅))
8133, 80eqtrd 2644 . . . . 5 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁) ∧ (𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (0g𝑅))
82813expia 1259 . . . 4 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝑁𝑑𝑁)) → ((𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒)) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (0g𝑅)))
8382ralrimivvva 2955 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ∀𝑏𝐵𝑐𝑁𝑑𝑁 ((𝑐𝑑 ∧ ∀𝑒𝑁 (𝑐𝑏𝑒) = (𝑑𝑏𝑒)) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (0g𝑅)))
84 simp11 1084 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑅 ∈ CRing)
8518adantr 480 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝐴 ∈ Ring)
86 simprll 798 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑏𝐵)
87 simpl3 1059 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝐺𝐵)
8885, 86, 87, 38syl3anc 1318 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑏 𝐺) ∈ 𝐵)
89883adant3 1074 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 𝐺) ∈ 𝐵)
90 simprlr 799 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑐𝐵)
912, 22ringcl 18384 . . . . . . . . . . 11 ((𝐴 ∈ Ring ∧ 𝑐𝐵𝐺𝐵) → (𝑐 𝐺) ∈ 𝐵)
9285, 90, 87, 91syl3anc 1318 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑐 𝐺) ∈ 𝐵)
93923adant3 1074 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑐 𝐺) ∈ 𝐵)
94 simprrl 800 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑑𝐵)
952, 22ringcl 18384 . . . . . . . . . . 11 ((𝐴 ∈ Ring ∧ 𝑑𝐵𝐺𝐵) → (𝑑 𝐺) ∈ 𝐵)
9685, 94, 87, 95syl3anc 1318 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑 𝐺) ∈ 𝐵)
97963adant3 1074 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑑 𝐺) ∈ 𝐵)
98 simp2rr 1124 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑒𝑁)
99 simp31 1090 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))))
10099oveq1d 6564 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
10112adantr 480 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑅 ∈ Ring)
102 eqid 2610 . . . . . . . . . . . . 13 (𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩) = (𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)
103 snfi 7923 . . . . . . . . . . . . . 14 {𝑒} ∈ Fin
104103a1i 11 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → {𝑒} ∈ Fin)
10510adantr 480 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑁 ∈ Fin)
1061, 3, 2matbas2i 20047 . . . . . . . . . . . . . . 15 (𝑐𝐵𝑐 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
10790, 106syl 17 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑐 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
108 simprrr 801 . . . . . . . . . . . . . . . 16 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑒𝑁)
109108snssd 4281 . . . . . . . . . . . . . . 15 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → {𝑒} ⊆ 𝑁)
110 xpss1 5151 . . . . . . . . . . . . . . 15 ({𝑒} ⊆ 𝑁 → ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁))
111109, 110syl 17 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁))
112 elmapssres 7768 . . . . . . . . . . . . . 14 ((𝑐 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)) ∧ ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁)) → (𝑐 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑𝑚 ({𝑒} × 𝑁)))
113107, 111, 112syl2anc 691 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑐 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑𝑚 ({𝑒} × 𝑁)))
1141, 3, 2matbas2i 20047 . . . . . . . . . . . . . . 15 (𝑑𝐵𝑑 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
11594, 114syl 17 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑑 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
116 elmapssres 7768 . . . . . . . . . . . . . 14 ((𝑑 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)) ∧ ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁)) → (𝑑 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑𝑚 ({𝑒} × 𝑁)))
117115, 111, 116syl2anc 691 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑𝑚 ({𝑒} × 𝑁)))
11866adantr 480 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝐺 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
1193, 101, 102, 104, 105, 105, 6, 113, 117, 118mamudi 20028 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘𝑓 (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
1201193adant3 1074 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘𝑓 (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
121100, 120eqtrd 2644 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘𝑓 (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
12256adantr 480 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
123122oveqd 6566 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑏 𝐺))
124123reseq1d 5316 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)))
125 simpl1 1057 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑅 ∈ CRing)
12686, 63syl 17 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → 𝑏 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
12753, 102, 3, 125, 105, 105, 105, 109, 126, 118mamures 20015 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
128124, 127eqtr3d 2646 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
1291283adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
130122oveqd 6566 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑐 𝐺))
131130reseq1d 5316 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑐 𝐺) ↾ ({𝑒} × 𝑁)))
13253, 102, 3, 125, 105, 105, 105, 109, 107, 118mamures 20015 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
133131, 132eqtr3d 2646 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
134122oveqd 6566 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑑 𝐺))
135134reseq1d 5316 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 𝐺) ↾ ({𝑒} × 𝑁)))
13653, 102, 3, 125, 105, 105, 105, 109, 115, 118mamures 20015 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
137135, 136eqtr3d 2646 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
138133, 137oveq12d 6567 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑐 𝐺) ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘𝑓 (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
1391383adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (((𝑐 𝐺) ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = (((𝑐 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) ∘𝑓 (+g𝑅)((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
140121, 129, 1393eqtr4d 2654 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = (((𝑐 𝐺) ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)((𝑑 𝐺) ↾ ({𝑒} × 𝑁))))
141 simp32 1091 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
142141oveq1d 6564 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺) = ((𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
143123reseq1d 5316 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
144 eqid 2610 . . . . . . . . . . . . 13 (𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩) = (𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)
145 difssd 3700 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (𝑁 ∖ {𝑒}) ⊆ 𝑁)
14653, 144, 3, 125, 105, 105, 105, 145, 126, 118mamures 20015 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
147143, 146eqtr3d 2646 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
1481473adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
149130reseq1d 5316 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
15053, 144, 3, 125, 105, 105, 105, 145, 107, 118mamures 20015 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
151149, 150eqtr3d 2646 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑐 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
1521513adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑐 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
153142, 148, 1523eqtr4d 2654 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑐 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
154 simp33 1092 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
155154oveq1d 6564 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
156134reseq1d 5316 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
15753, 144, 3, 125, 105, 105, 105, 145, 115, 118mamures 20015 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
158156, 157eqtr3d 2646 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
1591583adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
160155, 148, 1593eqtr4d 2654 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
16113, 1, 2, 6, 84, 89, 93, 97, 98, 140, 153, 160mdetrlin 20227 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝐷‘(𝑏 𝐺)) = ((𝐷‘(𝑐 𝐺))(+g𝑅)(𝐷‘(𝑑 𝐺))))
16286, 32syl 17 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
1631623adant3 1074 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
164 oveq1 6556 . . . . . . . . . . . . 13 (𝑎 = 𝑐 → (𝑎 𝐺) = (𝑐 𝐺))
165164fveq2d 6107 . . . . . . . . . . . 12 (𝑎 = 𝑐 → (𝐷‘(𝑎 𝐺)) = (𝐷‘(𝑐 𝐺)))
166 fvex 6113 . . . . . . . . . . . 12 (𝐷‘(𝑐 𝐺)) ∈ V
167165, 26, 166fvmpt 6191 . . . . . . . . . . 11 (𝑐𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐) = (𝐷‘(𝑐 𝐺)))
16890, 167syl 17 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐) = (𝐷‘(𝑐 𝐺)))
169 oveq1 6556 . . . . . . . . . . . . 13 (𝑎 = 𝑑 → (𝑎 𝐺) = (𝑑 𝐺))
170169fveq2d 6107 . . . . . . . . . . . 12 (𝑎 = 𝑑 → (𝐷‘(𝑎 𝐺)) = (𝐷‘(𝑑 𝐺)))
171 fvex 6113 . . . . . . . . . . . 12 (𝐷‘(𝑑 𝐺)) ∈ V
172170, 26, 171fvmpt 6191 . . . . . . . . . . 11 (𝑑𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑) = (𝐷‘(𝑑 𝐺)))
17394, 172syl 17 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑) = (𝐷‘(𝑑 𝐺)))
174168, 173oveq12d 6567 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)) = ((𝐷‘(𝑐 𝐺))(+g𝑅)(𝐷‘(𝑑 𝐺))))
1751743adant3 1074 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)) = ((𝐷‘(𝑐 𝐺))(+g𝑅)(𝐷‘(𝑑 𝐺))))
176161, 163, 1753eqtr4d 2654 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)))
1771763expia 1259 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐𝐵) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
178177anassrs 678 . . . . 5 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝐵)) ∧ (𝑑𝐵𝑒𝑁)) → (((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
179178ralrimivva 2954 . . . 4 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐𝐵)) → ∀𝑑𝐵𝑒𝑁 (((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
180179ralrimivva 2954 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ∀𝑏𝐵𝑐𝐵𝑑𝐵𝑒𝑁 (((𝑏 ↾ ({𝑒} × 𝑁)) = ((𝑐 ↾ ({𝑒} × 𝑁)) ∘𝑓 (+g𝑅)(𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑐 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑐)(+g𝑅)((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
181 simp11 1084 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑅 ∈ CRing)
18218adantr 480 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝐴 ∈ Ring)
183 simprll 798 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑏𝐵)
184 simpl3 1059 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝐺𝐵)
185182, 183, 184, 38syl3anc 1318 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑏 𝐺) ∈ 𝐵)
1861853adant3 1074 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 𝐺) ∈ 𝐵)
187 simp2lr 1122 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑐 ∈ (Base‘𝑅))
188 simprrl 800 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑑𝐵)
189182, 188, 184, 95syl3anc 1318 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑 𝐺) ∈ 𝐵)
1901893adant3 1074 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑑 𝐺) ∈ 𝐵)
191 simp2rr 1124 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑒𝑁)
192 simp3l 1082 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))))
193192oveq1d 6564 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = (((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
19456adantr 480 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩) = )
195194oveqd 6566 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑏 𝐺))
196195reseq1d 5316 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)))
197 simpl1 1057 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑅 ∈ CRing)
19810adantr 480 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑁 ∈ Fin)
199 simprrr 801 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑒𝑁)
200199snssd 4281 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → {𝑒} ⊆ 𝑁)
201183, 63syl 17 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑏 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
20266adantr 480 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝐺 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
20353, 102, 3, 197, 198, 198, 198, 200, 201, 202mamures 20015 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
204196, 203eqtr3d 2646 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
2052043adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑏 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
206194oveqd 6566 . . . . . . . . . . . . . . 15 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) = (𝑑 𝐺))
207206reseq1d 5316 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 𝐺) ↾ ({𝑒} × 𝑁)))
208188, 114syl 17 . . . . . . . . . . . . . . 15 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑑 ∈ ((Base‘𝑅) ↑𝑚 (𝑁 × 𝑁)))
20953, 102, 3, 197, 198, 198, 198, 200, 208, 202mamures 20015 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
210207, 209eqtr3d 2646 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑 𝐺) ↾ ({𝑒} × 𝑁)) = ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
211210oveq2d 6565 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · ((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
21212adantr 480 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑅 ∈ Ring)
213103a1i 11 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → {𝑒} ∈ Fin)
214 simprlr 799 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → 𝑐 ∈ (Base‘𝑅))
215200, 110syl 17 . . . . . . . . . . . . . 14 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ({𝑒} × 𝑁) ⊆ (𝑁 × 𝑁))
216208, 215, 116syl2anc 691 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑑 ↾ ({𝑒} × 𝑁)) ∈ ((Base‘𝑅) ↑𝑚 ({𝑒} × 𝑁)))
2173, 212, 102, 213, 198, 198, 7, 214, 216, 202mamuvs1 20030 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · ((𝑑 ↾ ({𝑒} × 𝑁))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺)))
218211, 217eqtr4d 2647 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · ((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = (((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
2192183adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · ((𝑑 𝐺) ↾ ({𝑒} × 𝑁))) = (((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁)))(𝑅 maMul ⟨{𝑒}, 𝑁, 𝑁⟩)𝐺))
220193, 205, 2193eqtr4d 2654 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · ((𝑑 𝐺) ↾ ({𝑒} × 𝑁))))
221 simp3r 1083 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
222221oveq1d 6564 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
223195reseq1d 5316 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
224 difssd 3700 . . . . . . . . . . . . 13 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (𝑁 ∖ {𝑒}) ⊆ 𝑁)
22553, 144, 3, 197, 198, 198, 198, 224, 201, 202mamures 20015 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
226223, 225eqtr3d 2646 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
2272263adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
228206reseq1d 5316 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
22953, 144, 3, 197, 198, 198, 198, 224, 208, 202mamures 20015 . . . . . . . . . . . 12 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑(𝑅 maMul ⟨𝑁, 𝑁, 𝑁⟩)𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
230228, 229eqtr3d 2646 . . . . . . . . . . 11 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
2312303adant3 1074 . . . . . . . . . 10 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))(𝑅 maMul ⟨(𝑁 ∖ {𝑒}), 𝑁, 𝑁⟩)𝐺))
232222, 227, 2313eqtr4d 2654 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑏 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = ((𝑑 𝐺) ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))
23313, 1, 2, 3, 7, 181, 186, 187, 190, 191, 220, 232mdetrsca 20228 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝐷‘(𝑏 𝐺)) = (𝑐 · (𝐷‘(𝑑 𝐺))))
234 simp2ll 1121 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑏𝐵)
235234, 32syl 17 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝐷‘(𝑏 𝐺)))
236 simp2rl 1123 . . . . . . . . 9 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → 𝑑𝐵)
237172oveq2d 6565 . . . . . . . . 9 (𝑑𝐵 → (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)) = (𝑐 · (𝐷‘(𝑑 𝐺))))
238236, 237syl 17 . . . . . . . 8 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)) = (𝑐 · (𝐷‘(𝑑 𝐺))))
239233, 235, 2383eqtr4d 2654 . . . . . . 7 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁)) ∧ ((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑)))
2402393expia 1259 . . . . . 6 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ ((𝑏𝐵𝑐 ∈ (Base‘𝑅)) ∧ (𝑑𝐵𝑒𝑁))) → (((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
241240anassrs 678 . . . . 5 ((((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐 ∈ (Base‘𝑅))) ∧ (𝑑𝐵𝑒𝑁)) → (((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
242241ralrimivva 2954 . . . 4 (((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) ∧ (𝑏𝐵𝑐 ∈ (Base‘𝑅))) → ∀𝑑𝐵𝑒𝑁 (((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
243242ralrimivva 2954 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ∀𝑏𝐵𝑐 ∈ (Base‘𝑅)∀𝑑𝐵𝑒𝑁 (((𝑏 ↾ ({𝑒} × 𝑁)) = ((({𝑒} × 𝑁) × {𝑐}) ∘𝑓 · (𝑑 ↾ ({𝑒} × 𝑁))) ∧ (𝑏 ↾ ((𝑁 ∖ {𝑒}) × 𝑁)) = (𝑑 ↾ ((𝑁 ∖ {𝑒}) × 𝑁))) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑏) = (𝑐 · ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝑑))))
244 simp2 1055 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐹𝐵)
2451, 2, 3, 4, 5, 6, 7, 10, 12, 27, 83, 180, 243, 13, 52, 244mdetuni0 20246 . 2 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝐹) = (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) · (𝐷𝐹)))
246 oveq1 6556 . . . . 5 (𝑎 = 𝐹 → (𝑎 𝐺) = (𝐹 𝐺))
247246fveq2d 6107 . . . 4 (𝑎 = 𝐹 → (𝐷‘(𝑎 𝐺)) = (𝐷‘(𝐹 𝐺)))
248 fvex 6113 . . . 4 (𝐷‘(𝐹 𝐺)) ∈ V
249247, 26, 248fvmpt 6191 . . 3 (𝐹𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝐹) = (𝐷‘(𝐹 𝐺)))
2502493ad2ant2 1076 . 2 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘𝐹) = (𝐷‘(𝐹 𝐺)))
251 eqid 2610 . . . . . . 7 (1r𝐴) = (1r𝐴)
2522, 251ringidcl 18391 . . . . . 6 (𝐴 ∈ Ring → (1r𝐴) ∈ 𝐵)
253 oveq1 6556 . . . . . . . 8 (𝑎 = (1r𝐴) → (𝑎 𝐺) = ((1r𝐴) 𝐺))
254253fveq2d 6107 . . . . . . 7 (𝑎 = (1r𝐴) → (𝐷‘(𝑎 𝐺)) = (𝐷‘((1r𝐴) 𝐺)))
255 fvex 6113 . . . . . . 7 (𝐷‘((1r𝐴) 𝐺)) ∈ V
256254, 26, 255fvmpt 6191 . . . . . 6 ((1r𝐴) ∈ 𝐵 → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) = (𝐷‘((1r𝐴) 𝐺)))
25718, 252, 2563syl 18 . . . . 5 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) = (𝐷‘((1r𝐴) 𝐺)))
258 simp3 1056 . . . . . . 7 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → 𝐺𝐵)
2592, 22, 251ringlidm 18394 . . . . . . 7 ((𝐴 ∈ Ring ∧ 𝐺𝐵) → ((1r𝐴) 𝐺) = 𝐺)
26018, 258, 259syl2anc 691 . . . . . 6 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((1r𝐴) 𝐺) = 𝐺)
261260fveq2d 6107 . . . . 5 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷‘((1r𝐴) 𝐺)) = (𝐷𝐺))
262257, 261eqtrd 2644 . . . 4 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) = (𝐷𝐺))
263262oveq1d 6564 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) · (𝐷𝐹)) = ((𝐷𝐺) · (𝐷𝐹)))
26415, 258ffvelrnd 6268 . . . 4 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷𝐺) ∈ (Base‘𝑅))
26515, 244ffvelrnd 6268 . . . 4 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷𝐹) ∈ (Base‘𝑅))
2663, 7crngcom 18385 . . . 4 ((𝑅 ∈ CRing ∧ (𝐷𝐺) ∈ (Base‘𝑅) ∧ (𝐷𝐹) ∈ (Base‘𝑅)) → ((𝐷𝐺) · (𝐷𝐹)) = ((𝐷𝐹) · (𝐷𝐺)))
26752, 264, 265, 266syl3anc 1318 . . 3 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → ((𝐷𝐺) · (𝐷𝐹)) = ((𝐷𝐹) · (𝐷𝐺)))
268263, 267eqtrd 2644 . 2 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (((𝑎𝐵 ↦ (𝐷‘(𝑎 𝐺)))‘(1r𝐴)) · (𝐷𝐹)) = ((𝐷𝐹) · (𝐷𝐺)))
269245, 250, 2683eqtr3d 2652 1 ((𝑅 ∈ CRing ∧ 𝐹𝐵𝐺𝐵) → (𝐷‘(𝐹 𝐺)) = ((𝐷𝐹) · (𝐷𝐺)))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977   ≠ wne 2780  ∀wral 2896  Vcvv 3173   ∖ cdif 3537   ⊆ wss 3540  {csn 4125  ⟨cotp 4133   ↦ cmpt 4643   × cxp 5036   ↾ cres 5040  ⟶wf 5800  ‘cfv 5804  (class class class)co 6549   ∘𝑓 cof 6793   ↑𝑚 cmap 7744  Fincfn 7841  Basecbs 15695  +gcplusg 15768  .rcmulr 15769  0gc0g 15923   Σg cgsu 15924  1rcur 18324  Ringcrg 18370  CRingccrg 18371   maMul cmmul 20008   Mat cmat 20032   maDet cmdat 20209 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-8 1979  ax-9 1986  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-rep 4699  ax-sep 4709  ax-nul 4717  ax-pow 4769  ax-pr 4833  ax-un 6847  ax-inf2 8421  ax-cnex 9871  ax-resscn 9872  ax-1cn 9873  ax-icn 9874  ax-addcl 9875  ax-addrcl 9876  ax-mulcl 9877  ax-mulrcl 9878  ax-mulcom 9879  ax-addass 9880  ax-mulass 9881  ax-distr 9882  ax-i2m1 9883  ax-1ne0 9884  ax-1rid 9885  ax-rnegex 9886  ax-rrecex 9887  ax-cnre 9888  ax-pre-lttri 9889  ax-pre-lttrn 9890  ax-pre-ltadd 9891  ax-pre-mulgt0 9892  ax-addf 9894  ax-mulf 9895 This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-xor 1457  df-tru 1478  df-fal 1481  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-mo 2463  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ne 2782  df-nel 2783  df-ral 2901  df-rex 2902  df-reu 2903  df-rmo 2904  df-rab 2905  df-v 3175  df-sbc 3403  df-csb 3500  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-pss 3556  df-nul 3875  df-if 4037  df-pw 4110  df-sn 4126  df-pr 4128  df-tp 4130  df-op 4132  df-ot 4134  df-uni 4373  df-int 4411  df-iun 4457  df-iin 4458  df-br 4584  df-opab 4644  df-mpt 4645  df-tr 4681  df-eprel 4949  df-id 4953  df-po 4959  df-so 4960  df-fr 4997  df-se 4998  df-we 4999  df-xp 5044  df-rel 5045  df-cnv 5046  df-co 5047  df-dm 5048  df-rn 5049  df-res 5050  df-ima 5051  df-pred 5597  df-ord 5643  df-on 5644  df-lim 5645  df-suc 5646  df-iota 5768  df-fun 5806  df-fn 5807  df-f 5808  df-f1 5809  df-fo 5810  df-f1o 5811  df-fv 5812  df-isom 5813  df-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-of 6795  df-om 6958  df-1st 7059  df-2nd 7060  df-supp 7183  df-tpos 7239  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-2o 7448  df-oadd 7451  df-er 7629  df-map 7746  df-pm 7747  df-ixp 7795  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-fsupp 8159  df-sup 8231  df-oi 8298  df-card 8648  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  df-div 10564  df-nn 10898  df-2 10956  df-3 10957  df-4 10958  df-5 10959  df-6 10960  df-7 10961  df-8 10962  df-9 10963  df-n0 11170  df-xnn0 11241  df-z 11255  df-dec 11370  df-uz 11564  df-rp 11709  df-fz 12198  df-fzo 12335  df-seq 12664  df-exp 12723  df-hash 12980  df-word 13154  df-lsw 13155  df-concat 13156  df-s1 13157  df-substr 13158  df-splice 13159  df-reverse 13160  df-s2 13444  df-struct 15697  df-ndx 15698  df-slot 15699  df-base 15700  df-sets 15701  df-ress 15702  df-plusg 15781  df-mulr 15782  df-starv 15783  df-sca 15784  df-vsca 15785  df-ip 15786  df-tset 15787  df-ple 15788  df-ds 15791  df-unif 15792  df-hom 15793  df-cco 15794  df-0g 15925  df-gsum 15926  df-prds 15931  df-pws 15933  df-mre 16069  df-mrc 16070  df-acs 16072  df-mgm 17065  df-sgrp 17107  df-mnd 17118  df-mhm 17158  df-submnd 17159  df-grp 17248  df-minusg 17249  df-sbg 17250  df-mulg 17364  df-subg 17414  df-ghm 17481  df-gim 17524  df-cntz 17573  df-oppg 17599  df-symg 17621  df-pmtr 17685  df-psgn 17734  df-evpm 17735  df-cmn 18018  df-abl 18019  df-mgp 18313  df-ur 18325  df-srg 18329  df-ring 18372  df-cring 18373  df-oppr 18446  df-dvdsr 18464  df-unit 18465  df-invr 18495  df-dvr 18506  df-rnghom 18538  df-drng 18572  df-subrg 18601  df-lmod 18688  df-lss 18754  df-sra 18993  df-rgmod 18994  df-cnfld 19568  df-zring 19638  df-zrh 19671  df-dsmm 19895  df-frlm 19910  df-mamu 20009  df-mat 20033  df-mdet 20210 This theorem is referenced by:  matunit  20303  cramerimplem3  20310  matunitlindflem2  32576
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