Theorem pwsco2mhm 17194

Description: Left composition with a monoid homomorphism yields a monoid homomorphism of structure powers. (Contributed by Mario Carneiro, 12-Jun-2015.)

Hypotheses

Ref	Expression
pwsco2mhm.y	⊢ 𝑌 = (𝑅 ↑s 𝐴)
pwsco2mhm.z	⊢ 𝑍 = (𝑆 ↑s 𝐴)
pwsco2mhm.b	⊢ 𝐵 = (Base‘𝑌)
pwsco2mhm.a	⊢ (𝜑 → 𝐴 ∈ 𝑉)
pwsco2mhm.f	⊢ (𝜑 → 𝐹 ∈ (𝑅 MndHom 𝑆))

Assertion

Ref	Expression
pwsco2mhm	⊢ (𝜑 → (𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔)) ∈ (𝑌 MndHom 𝑍))

Distinct variable groups:   𝐵,𝑔   𝑔,𝐹   𝑔,𝑌   𝑔,𝑍   𝜑,𝑔

Allowed substitution hints:   𝐴(𝑔)   𝑅(𝑔)   𝑆(𝑔)   𝑉(𝑔)

Proof of Theorem pwsco2mhm

Dummy variables 𝑤 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		pwsco2mhm.f	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ (𝑅 MndHom 𝑆))
2		mhmrcl1 17161	. . . . 5 ⊢ (𝐹 ∈ (𝑅 MndHom 𝑆) → 𝑅 ∈ Mnd)
3	1, 2	syl 17	. . . 4 ⊢ (𝜑 → 𝑅 ∈ Mnd)
4		pwsco2mhm.a	. . . 4 ⊢ (𝜑 → 𝐴 ∈ 𝑉)
5		pwsco2mhm.y	. . . . 5 ⊢ 𝑌 = (𝑅 ↑s 𝐴)
6	5	pwsmnd 17148	. . . 4 ⊢ ((𝑅 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → 𝑌 ∈ Mnd)
7	3, 4, 6	syl2anc 691	. . 3 ⊢ (𝜑 → 𝑌 ∈ Mnd)
8		mhmrcl2 17162	. . . . 5 ⊢ (𝐹 ∈ (𝑅 MndHom 𝑆) → 𝑆 ∈ Mnd)
9	1, 8	syl 17	. . . 4 ⊢ (𝜑 → 𝑆 ∈ Mnd)
10		pwsco2mhm.z	. . . . 5 ⊢ 𝑍 = (𝑆 ↑s 𝐴)
11	10	pwsmnd 17148	. . . 4 ⊢ ((𝑆 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → 𝑍 ∈ Mnd)
12	9, 4, 11	syl2anc 691	. . 3 ⊢ (𝜑 → 𝑍 ∈ Mnd)
13	7, 12	jca 553	. 2 ⊢ (𝜑 → (𝑌 ∈ Mnd ∧ 𝑍 ∈ Mnd))
14		eqid 2610	. . . . . . . . 9 ⊢ (Base‘𝑅) = (Base‘𝑅)
15		eqid 2610	. . . . . . . . 9 ⊢ (Base‘𝑆) = (Base‘𝑆)
16	14, 15	mhmf 17163	. . . . . . . 8 ⊢ (𝐹 ∈ (𝑅 MndHom 𝑆) → 𝐹:(Base‘𝑅)⟶(Base‘𝑆))
17	1, 16	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝐹:(Base‘𝑅)⟶(Base‘𝑆))
18	17	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → 𝐹:(Base‘𝑅)⟶(Base‘𝑆))
19		pwsco2mhm.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝑌)
20	3	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → 𝑅 ∈ Mnd)
21	4	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → 𝐴 ∈ 𝑉)
22		simpr 476	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → 𝑔 ∈ 𝐵)
23	5, 14, 19, 20, 21, 22	pwselbas 15972	. . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → 𝑔:𝐴⟶(Base‘𝑅))
24		fco 5971	. . . . . 6 ⊢ ((𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ 𝑔:𝐴⟶(Base‘𝑅)) → (𝐹 ∘ 𝑔):𝐴⟶(Base‘𝑆))
25	18, 23, 24	syl2anc 691	. . . . 5 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → (𝐹 ∘ 𝑔):𝐴⟶(Base‘𝑆))
26	9	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → 𝑆 ∈ Mnd)
27		eqid 2610	. . . . . . 7 ⊢ (Base‘𝑍) = (Base‘𝑍)
28	10, 15, 27	pwselbasb 15971	. . . . . 6 ⊢ ((𝑆 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → ((𝐹 ∘ 𝑔) ∈ (Base‘𝑍) ↔ (𝐹 ∘ 𝑔):𝐴⟶(Base‘𝑆)))
29	26, 21, 28	syl2anc 691	. . . . 5 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → ((𝐹 ∘ 𝑔) ∈ (Base‘𝑍) ↔ (𝐹 ∘ 𝑔):𝐴⟶(Base‘𝑆)))
30	25, 29	mpbird 246	. . . 4 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐵) → (𝐹 ∘ 𝑔) ∈ (Base‘𝑍))
31		eqid 2610	. . . 4 ⊢ (𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔)) = (𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))
32	30, 31	fmptd 6292	. . 3 ⊢ (𝜑 → (𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔)):𝐵⟶(Base‘𝑍))
33	1	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝐹 ∈ (𝑅 MndHom 𝑆))
34	33	adantr 480	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → 𝐹 ∈ (𝑅 MndHom 𝑆))
35	33, 2	syl 17	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝑅 ∈ Mnd)
36	4	adantr 480	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝐴 ∈ 𝑉)
37		simprl 790	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝑥 ∈ 𝐵)
38	5, 14, 19, 35, 36, 37	pwselbas 15972	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝑥:𝐴⟶(Base‘𝑅))
39	38	ffvelrnda 6267	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → (𝑥‘𝑤) ∈ (Base‘𝑅))
40		simprr 792	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝑦 ∈ 𝐵)
41	5, 14, 19, 35, 36, 40	pwselbas 15972	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝑦:𝐴⟶(Base‘𝑅))
42	41	ffvelrnda 6267	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → (𝑦‘𝑤) ∈ (Base‘𝑅))
43		eqid 2610	. . . . . . . . . 10 ⊢ (+g‘𝑅) = (+g‘𝑅)
44		eqid 2610	. . . . . . . . . 10 ⊢ (+g‘𝑆) = (+g‘𝑆)
45	14, 43, 44	mhmlin 17165	. . . . . . . . 9 ⊢ ((𝐹 ∈ (𝑅 MndHom 𝑆) ∧ (𝑥‘𝑤) ∈ (Base‘𝑅) ∧ (𝑦‘𝑤) ∈ (Base‘𝑅)) → (𝐹‘((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤))) = ((𝐹‘(𝑥‘𝑤))(+g‘𝑆)(𝐹‘(𝑦‘𝑤))))
46	34, 39, 42, 45	syl3anc 1318	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → (𝐹‘((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤))) = ((𝐹‘(𝑥‘𝑤))(+g‘𝑆)(𝐹‘(𝑦‘𝑤))))
47	46	mpteq2dva 4672	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑤 ∈ 𝐴 ↦ (𝐹‘((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤)))) = (𝑤 ∈ 𝐴 ↦ ((𝐹‘(𝑥‘𝑤))(+g‘𝑆)(𝐹‘(𝑦‘𝑤)))))
48		fvex 6113	. . . . . . . . 9 ⊢ (𝐹‘(𝑥‘𝑤)) ∈ V
49	48	a1i 11	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → (𝐹‘(𝑥‘𝑤)) ∈ V)
50		fvex 6113	. . . . . . . . 9 ⊢ (𝐹‘(𝑦‘𝑤)) ∈ V
51	50	a1i 11	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → (𝐹‘(𝑦‘𝑤)) ∈ V)
52	38	feqmptd 6159	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝑥 = (𝑤 ∈ 𝐴 ↦ (𝑥‘𝑤)))
53	33, 16	syl 17	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝐹:(Base‘𝑅)⟶(Base‘𝑆))
54	53	feqmptd 6159	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝐹 = (𝑧 ∈ (Base‘𝑅) ↦ (𝐹‘𝑧)))
55		fveq2 6103	. . . . . . . . 9 ⊢ (𝑧 = (𝑥‘𝑤) → (𝐹‘𝑧) = (𝐹‘(𝑥‘𝑤)))
56	39, 52, 54, 55	fmptco 6303	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ 𝑥) = (𝑤 ∈ 𝐴 ↦ (𝐹‘(𝑥‘𝑤))))
57	41	feqmptd 6159	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝑦 = (𝑤 ∈ 𝐴 ↦ (𝑦‘𝑤)))
58		fveq2 6103	. . . . . . . . 9 ⊢ (𝑧 = (𝑦‘𝑤) → (𝐹‘𝑧) = (𝐹‘(𝑦‘𝑤)))
59	42, 57, 54, 58	fmptco 6303	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ 𝑦) = (𝑤 ∈ 𝐴 ↦ (𝐹‘(𝑦‘𝑤))))
60	36, 49, 51, 56, 59	offval2 6812	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹 ∘ 𝑥) ∘𝑓 (+g‘𝑆)(𝐹 ∘ 𝑦)) = (𝑤 ∈ 𝐴 ↦ ((𝐹‘(𝑥‘𝑤))(+g‘𝑆)(𝐹‘(𝑦‘𝑤)))))
61	47, 60	eqtr4d 2647	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑤 ∈ 𝐴 ↦ (𝐹‘((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤)))) = ((𝐹 ∘ 𝑥) ∘𝑓 (+g‘𝑆)(𝐹 ∘ 𝑦)))
62	35	adantr 480	. . . . . . . 8 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → 𝑅 ∈ Mnd)
63	14, 43	mndcl 17124	. . . . . . . 8 ⊢ ((𝑅 ∈ Mnd ∧ (𝑥‘𝑤) ∈ (Base‘𝑅) ∧ (𝑦‘𝑤) ∈ (Base‘𝑅)) → ((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤)) ∈ (Base‘𝑅))
64	62, 39, 42, 63	syl3anc 1318	. . . . . . 7 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → ((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤)) ∈ (Base‘𝑅))
65		eqid 2610	. . . . . . . . 9 ⊢ (+g‘𝑌) = (+g‘𝑌)
66	5, 19, 35, 36, 37, 40, 43, 65	pwsplusgval 15973	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝑌)𝑦) = (𝑥 ∘𝑓 (+g‘𝑅)𝑦))
67		fvex 6113	. . . . . . . . . 10 ⊢ (𝑥‘𝑤) ∈ V
68	67	a1i 11	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → (𝑥‘𝑤) ∈ V)
69		fvex 6113	. . . . . . . . . 10 ⊢ (𝑦‘𝑤) ∈ V
70	69	a1i 11	. . . . . . . . 9 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) ∧ 𝑤 ∈ 𝐴) → (𝑦‘𝑤) ∈ V)
71	36, 68, 70, 52, 57	offval2 6812	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥 ∘𝑓 (+g‘𝑅)𝑦) = (𝑤 ∈ 𝐴 ↦ ((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤))))
72	66, 71	eqtrd 2644	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝑌)𝑦) = (𝑤 ∈ 𝐴 ↦ ((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤))))
73		fveq2 6103	. . . . . . 7 ⊢ (𝑧 = ((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤)) → (𝐹‘𝑧) = (𝐹‘((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤))))
74	64, 72, 54, 73	fmptco 6303	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ (𝑥(+g‘𝑌)𝑦)) = (𝑤 ∈ 𝐴 ↦ (𝐹‘((𝑥‘𝑤)(+g‘𝑅)(𝑦‘𝑤)))))
75	33, 8	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → 𝑆 ∈ Mnd)
76		fco 5971	. . . . . . . . 9 ⊢ ((𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ 𝑥:𝐴⟶(Base‘𝑅)) → (𝐹 ∘ 𝑥):𝐴⟶(Base‘𝑆))
77	53, 38, 76	syl2anc 691	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ 𝑥):𝐴⟶(Base‘𝑆))
78	10, 15, 27	pwselbasb 15971	. . . . . . . . 9 ⊢ ((𝑆 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → ((𝐹 ∘ 𝑥) ∈ (Base‘𝑍) ↔ (𝐹 ∘ 𝑥):𝐴⟶(Base‘𝑆)))
79	75, 36, 78	syl2anc 691	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹 ∘ 𝑥) ∈ (Base‘𝑍) ↔ (𝐹 ∘ 𝑥):𝐴⟶(Base‘𝑆)))
80	77, 79	mpbird 246	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ 𝑥) ∈ (Base‘𝑍))
81		fco 5971	. . . . . . . . 9 ⊢ ((𝐹:(Base‘𝑅)⟶(Base‘𝑆) ∧ 𝑦:𝐴⟶(Base‘𝑅)) → (𝐹 ∘ 𝑦):𝐴⟶(Base‘𝑆))
82	53, 41, 81	syl2anc 691	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ 𝑦):𝐴⟶(Base‘𝑆))
83	10, 15, 27	pwselbasb 15971	. . . . . . . . 9 ⊢ ((𝑆 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → ((𝐹 ∘ 𝑦) ∈ (Base‘𝑍) ↔ (𝐹 ∘ 𝑦):𝐴⟶(Base‘𝑆)))
84	75, 36, 83	syl2anc 691	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹 ∘ 𝑦) ∈ (Base‘𝑍) ↔ (𝐹 ∘ 𝑦):𝐴⟶(Base‘𝑆)))
85	82, 84	mpbird 246	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ 𝑦) ∈ (Base‘𝑍))
86		eqid 2610	. . . . . . 7 ⊢ (+g‘𝑍) = (+g‘𝑍)
87	10, 27, 75, 36, 80, 85, 44, 86	pwsplusgval 15973	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹 ∘ 𝑥)(+g‘𝑍)(𝐹 ∘ 𝑦)) = ((𝐹 ∘ 𝑥) ∘𝑓 (+g‘𝑆)(𝐹 ∘ 𝑦)))
88	61, 74, 87	3eqtr4d 2654	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ (𝑥(+g‘𝑌)𝑦)) = ((𝐹 ∘ 𝑥)(+g‘𝑍)(𝐹 ∘ 𝑦)))
89	19, 65	mndcl 17124	. . . . . . . 8 ⊢ ((𝑌 ∈ Mnd ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥(+g‘𝑌)𝑦) ∈ 𝐵)
90	89	3expb 1258	. . . . . . 7 ⊢ ((𝑌 ∈ Mnd ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝑌)𝑦) ∈ 𝐵)
91	7, 90	sylan 487	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝑌)𝑦) ∈ 𝐵)
92		coexg 7010	. . . . . . 7 ⊢ ((𝐹 ∈ (𝑅 MndHom 𝑆) ∧ (𝑥(+g‘𝑌)𝑦) ∈ 𝐵) → (𝐹 ∘ (𝑥(+g‘𝑌)𝑦)) ∈ V)
93	33, 91, 92	syl2anc 691	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹 ∘ (𝑥(+g‘𝑌)𝑦)) ∈ V)
94		coeq2 5202	. . . . . . 7 ⊢ (𝑔 = (𝑥(+g‘𝑌)𝑦) → (𝐹 ∘ 𝑔) = (𝐹 ∘ (𝑥(+g‘𝑌)𝑦)))
95	94, 31	fvmptg 6189	. . . . . 6 ⊢ (((𝑥(+g‘𝑌)𝑦) ∈ 𝐵 ∧ (𝐹 ∘ (𝑥(+g‘𝑌)𝑦)) ∈ V) → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(𝑥(+g‘𝑌)𝑦)) = (𝐹 ∘ (𝑥(+g‘𝑌)𝑦)))
96	91, 93, 95	syl2anc 691	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(𝑥(+g‘𝑌)𝑦)) = (𝐹 ∘ (𝑥(+g‘𝑌)𝑦)))
97		coeq2 5202	. . . . . . . 8 ⊢ (𝑔 = 𝑥 → (𝐹 ∘ 𝑔) = (𝐹 ∘ 𝑥))
98	97, 31	fvmptg 6189	. . . . . . 7 ⊢ ((𝑥 ∈ 𝐵 ∧ (𝐹 ∘ 𝑥) ∈ (Base‘𝑍)) → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑥) = (𝐹 ∘ 𝑥))
99	37, 80, 98	syl2anc 691	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑥) = (𝐹 ∘ 𝑥))
100		coeq2 5202	. . . . . . . 8 ⊢ (𝑔 = 𝑦 → (𝐹 ∘ 𝑔) = (𝐹 ∘ 𝑦))
101	100, 31	fvmptg 6189	. . . . . . 7 ⊢ ((𝑦 ∈ 𝐵 ∧ (𝐹 ∘ 𝑦) ∈ (Base‘𝑍)) → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑦) = (𝐹 ∘ 𝑦))
102	40, 85, 101	syl2anc 691	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑦) = (𝐹 ∘ 𝑦))
103	99, 102	oveq12d 6567	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑥)(+g‘𝑍)((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑦)) = ((𝐹 ∘ 𝑥)(+g‘𝑍)(𝐹 ∘ 𝑦)))
104	88, 96, 103	3eqtr4d 2654	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(𝑥(+g‘𝑌)𝑦)) = (((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑥)(+g‘𝑍)((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑦)))
105	104	ralrimivva 2954	. . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(𝑥(+g‘𝑌)𝑦)) = (((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑥)(+g‘𝑍)((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑦)))
106		eqid 2610	. . . . . . 7 ⊢ (0g‘𝑌) = (0g‘𝑌)
107	19, 106	mndidcl 17131	. . . . . 6 ⊢ (𝑌 ∈ Mnd → (0g‘𝑌) ∈ 𝐵)
108	7, 107	syl 17	. . . . 5 ⊢ (𝜑 → (0g‘𝑌) ∈ 𝐵)
109		coexg 7010	. . . . . 6 ⊢ ((𝐹 ∈ (𝑅 MndHom 𝑆) ∧ (0g‘𝑌) ∈ 𝐵) → (𝐹 ∘ (0g‘𝑌)) ∈ V)
110	1, 108, 109	syl2anc 691	. . . . 5 ⊢ (𝜑 → (𝐹 ∘ (0g‘𝑌)) ∈ V)
111		coeq2 5202	. . . . . 6 ⊢ (𝑔 = (0g‘𝑌) → (𝐹 ∘ 𝑔) = (𝐹 ∘ (0g‘𝑌)))
112	111, 31	fvmptg 6189	. . . . 5 ⊢ (((0g‘𝑌) ∈ 𝐵 ∧ (𝐹 ∘ (0g‘𝑌)) ∈ V) → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(0g‘𝑌)) = (𝐹 ∘ (0g‘𝑌)))
113	108, 110, 112	syl2anc 691	. . . 4 ⊢ (𝜑 → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(0g‘𝑌)) = (𝐹 ∘ (0g‘𝑌)))
114		ffn 5958	. . . . . . 7 ⊢ (𝐹:(Base‘𝑅)⟶(Base‘𝑆) → 𝐹 Fn (Base‘𝑅))
115	17, 114	syl 17	. . . . . 6 ⊢ (𝜑 → 𝐹 Fn (Base‘𝑅))
116		eqid 2610	. . . . . . . 8 ⊢ (0g‘𝑅) = (0g‘𝑅)
117	14, 116	mndidcl 17131	. . . . . . 7 ⊢ (𝑅 ∈ Mnd → (0g‘𝑅) ∈ (Base‘𝑅))
118	3, 117	syl 17	. . . . . 6 ⊢ (𝜑 → (0g‘𝑅) ∈ (Base‘𝑅))
119		fcoconst 6307	. . . . . 6 ⊢ ((𝐹 Fn (Base‘𝑅) ∧ (0g‘𝑅) ∈ (Base‘𝑅)) → (𝐹 ∘ (𝐴 × {(0g‘𝑅)})) = (𝐴 × {(𝐹‘(0g‘𝑅))}))
120	115, 118, 119	syl2anc 691	. . . . 5 ⊢ (𝜑 → (𝐹 ∘ (𝐴 × {(0g‘𝑅)})) = (𝐴 × {(𝐹‘(0g‘𝑅))}))
121	5, 116	pws0g 17149	. . . . . . 7 ⊢ ((𝑅 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → (𝐴 × {(0g‘𝑅)}) = (0g‘𝑌))
122	3, 4, 121	syl2anc 691	. . . . . 6 ⊢ (𝜑 → (𝐴 × {(0g‘𝑅)}) = (0g‘𝑌))
123	122	coeq2d 5206	. . . . 5 ⊢ (𝜑 → (𝐹 ∘ (𝐴 × {(0g‘𝑅)})) = (𝐹 ∘ (0g‘𝑌)))
124		eqid 2610	. . . . . . . . 9 ⊢ (0g‘𝑆) = (0g‘𝑆)
125	116, 124	mhm0 17166	. . . . . . . 8 ⊢ (𝐹 ∈ (𝑅 MndHom 𝑆) → (𝐹‘(0g‘𝑅)) = (0g‘𝑆))
126	1, 125	syl 17	. . . . . . 7 ⊢ (𝜑 → (𝐹‘(0g‘𝑅)) = (0g‘𝑆))
127	126	sneqd 4137	. . . . . 6 ⊢ (𝜑 → {(𝐹‘(0g‘𝑅))} = {(0g‘𝑆)})
128	127	xpeq2d 5063	. . . . 5 ⊢ (𝜑 → (𝐴 × {(𝐹‘(0g‘𝑅))}) = (𝐴 × {(0g‘𝑆)}))
129	120, 123, 128	3eqtr3d 2652	. . . 4 ⊢ (𝜑 → (𝐹 ∘ (0g‘𝑌)) = (𝐴 × {(0g‘𝑆)}))
130	10, 124	pws0g 17149	. . . . 5 ⊢ ((𝑆 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → (𝐴 × {(0g‘𝑆)}) = (0g‘𝑍))
131	9, 4, 130	syl2anc 691	. . . 4 ⊢ (𝜑 → (𝐴 × {(0g‘𝑆)}) = (0g‘𝑍))
132	113, 129, 131	3eqtrd 2648	. . 3 ⊢ (𝜑 → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(0g‘𝑌)) = (0g‘𝑍))
133	32, 105, 132	3jca 1235	. 2 ⊢ (𝜑 → ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔)):𝐵⟶(Base‘𝑍) ∧ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(𝑥(+g‘𝑌)𝑦)) = (((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑥)(+g‘𝑍)((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑦)) ∧ ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(0g‘𝑌)) = (0g‘𝑍)))
134		eqid 2610	. . 3 ⊢ (0g‘𝑍) = (0g‘𝑍)
135	19, 27, 65, 86, 106, 134	ismhm 17160	. 2 ⊢ ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔)) ∈ (𝑌 MndHom 𝑍) ↔ ((𝑌 ∈ Mnd ∧ 𝑍 ∈ Mnd) ∧ ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔)):𝐵⟶(Base‘𝑍) ∧ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(𝑥(+g‘𝑌)𝑦)) = (((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑥)(+g‘𝑍)((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘𝑦)) ∧ ((𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔))‘(0g‘𝑌)) = (0g‘𝑍))))
136	13, 133, 135	sylanbrc 695	1 ⊢ (𝜑 → (𝑔 ∈ 𝐵 ↦ (𝐹 ∘ 𝑔)) ∈ (𝑌 MndHom 𝑍))

Syntax hints:   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977  ∀wral 2896  Vcvv 3173  {csn 4125   ↦ cmpt 4643   × cxp 5036   ∘ ccom 5042   Fn wfn 5799  ⟶wf 5800  ‘cfv 5804  (class class class)co 6549   ∘_𝑓 cof 6793  Basecbs 15695  +_gcplusg 15768  0_gc0g 15923   ↑_s cpws 15930  Mndcmnd 17117   MndHom cmhm 17156

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-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

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3or 1032  df-3an 1033  df-tru 1478  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-uni 4373  df-int 4411  df-iun 4457  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-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-riota 6511  df-ov 6552  df-oprab 6553  df-mpt2 6554  df-of 6795  df-om 6958  df-1st 7059  df-2nd 7060  df-wrecs 7294  df-recs 7355  df-rdg 7393  df-1o 7447  df-oadd 7451  df-er 7629  df-map 7746  df-ixp 7795  df-en 7842  df-dom 7843  df-sdom 7844  df-fin 7845  df-sup 8231  df-pnf 9955  df-mnf 9956  df-xr 9957  df-ltxr 9958  df-le 9959  df-sub 10147  df-neg 10148  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-z 11255  df-dec 11370  df-uz 11564  df-fz 12198  df-struct 15697  df-ndx 15698  df-slot 15699  df-base 15700  df-plusg 15781  df-mulr 15782  df-sca 15784  df-vsca 15785  df-ip 15786  df-tset 15787  df-ple 15788  df-ds 15791  df-hom 15793  df-cco 15794  df-0g 15925  df-prds 15931  df-pws 15933  df-mgm 17065  df-sgrp 17107  df-mnd 17118  df-mhm 17158

This theorem is referenced by:  pwsco2rhm  18562