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Theorem ig1pdvds 23740
 Description: The monic generator of an ideal divides all elements of the ideal. (Contributed by Stefan O'Rear, 29-Mar-2015.) (Proof shortened by AV, 25-Sep-2020.)
Hypotheses
Ref Expression
ig1pval.p 𝑃 = (Poly1𝑅)
ig1pval.g 𝐺 = (idlGen1p𝑅)
ig1pcl.u 𝑈 = (LIdeal‘𝑃)
ig1pdvds.d = (∥r𝑃)
Assertion
Ref Expression
ig1pdvds ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) 𝑋)

Proof of Theorem ig1pdvds
StepHypRef Expression
1 drngring 18577 . . . . . . 7 (𝑅 ∈ DivRing → 𝑅 ∈ Ring)
2 ig1pval.p . . . . . . . 8 𝑃 = (Poly1𝑅)
32ply1ring 19439 . . . . . . 7 (𝑅 ∈ Ring → 𝑃 ∈ Ring)
41, 3syl 17 . . . . . 6 (𝑅 ∈ DivRing → 𝑃 ∈ Ring)
543ad2ant1 1075 . . . . 5 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → 𝑃 ∈ Ring)
6 eqid 2610 . . . . . . . 8 (Base‘𝑃) = (Base‘𝑃)
7 ig1pcl.u . . . . . . . 8 𝑈 = (LIdeal‘𝑃)
86, 7lidlss 19031 . . . . . . 7 (𝐼𝑈𝐼 ⊆ (Base‘𝑃))
983ad2ant2 1076 . . . . . 6 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → 𝐼 ⊆ (Base‘𝑃))
10 ig1pval.g . . . . . . . 8 𝐺 = (idlGen1p𝑅)
112, 10, 7ig1pcl 23739 . . . . . . 7 ((𝑅 ∈ DivRing ∧ 𝐼𝑈) → (𝐺𝐼) ∈ 𝐼)
12113adant3 1074 . . . . . 6 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) ∈ 𝐼)
139, 12sseldd 3569 . . . . 5 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) ∈ (Base‘𝑃))
14 ig1pdvds.d . . . . . 6 = (∥r𝑃)
15 eqid 2610 . . . . . 6 (0g𝑃) = (0g𝑃)
166, 14, 15dvdsr01 18478 . . . . 5 ((𝑃 ∈ Ring ∧ (𝐺𝐼) ∈ (Base‘𝑃)) → (𝐺𝐼) (0g𝑃))
175, 13, 16syl2anc 691 . . . 4 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) (0g𝑃))
1817adantr 480 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → (𝐺𝐼) (0g𝑃))
19 eleq2 2677 . . . . . 6 (𝐼 = {(0g𝑃)} → (𝑋𝐼𝑋 ∈ {(0g𝑃)}))
2019biimpac 502 . . . . 5 ((𝑋𝐼𝐼 = {(0g𝑃)}) → 𝑋 ∈ {(0g𝑃)})
21203ad2antl3 1218 . . . 4 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → 𝑋 ∈ {(0g𝑃)})
22 elsni 4142 . . . 4 (𝑋 ∈ {(0g𝑃)} → 𝑋 = (0g𝑃))
2321, 22syl 17 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → 𝑋 = (0g𝑃))
2418, 23breqtrrd 4611 . 2 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → (𝐺𝐼) 𝑋)
25 simpl1 1057 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑅 ∈ DivRing)
2625, 1syl 17 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑅 ∈ Ring)
27 simpl2 1058 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼𝑈)
2827, 8syl 17 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼 ⊆ (Base‘𝑃))
29 simpl3 1059 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑋𝐼)
3028, 29sseldd 3569 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑋 ∈ (Base‘𝑃))
31 simpr 476 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼 ≠ {(0g𝑃)})
32 eqid 2610 . . . . . . . . . . 11 ( deg1𝑅) = ( deg1𝑅)
33 eqid 2610 . . . . . . . . . . 11 (Monic1p𝑅) = (Monic1p𝑅)
342, 10, 15, 7, 32, 33ig1pval3 23738 . . . . . . . . . 10 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝐼 ≠ {(0g𝑃)}) → ((𝐺𝐼) ∈ 𝐼 ∧ (𝐺𝐼) ∈ (Monic1p𝑅) ∧ (( deg1𝑅)‘(𝐺𝐼)) = inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < )))
3525, 27, 31, 34syl3anc 1318 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝐺𝐼) ∈ 𝐼 ∧ (𝐺𝐼) ∈ (Monic1p𝑅) ∧ (( deg1𝑅)‘(𝐺𝐼)) = inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < )))
3635simp2d 1067 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Monic1p𝑅))
37 eqid 2610 . . . . . . . . 9 (Unic1p𝑅) = (Unic1p𝑅)
3837, 33mon1puc1p 23714 . . . . . . . 8 ((𝑅 ∈ Ring ∧ (𝐺𝐼) ∈ (Monic1p𝑅)) → (𝐺𝐼) ∈ (Unic1p𝑅))
3926, 36, 38syl2anc 691 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Unic1p𝑅))
40 eqid 2610 . . . . . . . 8 (rem1p𝑅) = (rem1p𝑅)
4140, 2, 6, 37, 32r1pdeglt 23722 . . . . . . 7 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < (( deg1𝑅)‘(𝐺𝐼)))
4226, 30, 39, 41syl3anc 1318 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < (( deg1𝑅)‘(𝐺𝐼)))
4335simp3d 1068 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅)‘(𝐺𝐼)) = inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ))
4442, 43breqtrd 4609 . . . . 5 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ))
4532, 2, 6deg1xrf 23645 . . . . . . 7 ( deg1𝑅):(Base‘𝑃)⟶ℝ*
4635simp1d 1066 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ 𝐼)
4728, 46sseldd 3569 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Base‘𝑃))
48 eqid 2610 . . . . . . . . . . 11 (quot1p𝑅) = (quot1p𝑅)
49 eqid 2610 . . . . . . . . . . 11 (.r𝑃) = (.r𝑃)
50 eqid 2610 . . . . . . . . . . 11 (-g𝑃) = (-g𝑃)
5140, 2, 6, 48, 49, 50r1pval 23720 . . . . . . . . . 10 ((𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Base‘𝑃)) → (𝑋(rem1p𝑅)(𝐺𝐼)) = (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))))
5230, 47, 51syl2anc 691 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) = (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))))
5326, 3syl 17 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑃 ∈ Ring)
5448, 2, 6, 37q1pcl 23719 . . . . . . . . . . . 12 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → (𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
5526, 30, 39, 54syl3anc 1318 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
567, 6, 49lidlmcl 19038 . . . . . . . . . . 11 (((𝑃 ∈ Ring ∧ 𝐼𝑈) ∧ ((𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ 𝐼)) → ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)
5753, 27, 55, 46, 56syl22anc 1319 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)
587, 50lidlsubcl 19037 . . . . . . . . . 10 (((𝑃 ∈ Ring ∧ 𝐼𝑈) ∧ (𝑋𝐼 ∧ ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)) → (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))) ∈ 𝐼)
5953, 27, 29, 57, 58syl22anc 1319 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))) ∈ 𝐼)
6052, 59eqeltrd 2688 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ 𝐼)
6128, 60sseldd 3569 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
62 ffvelrn 6265 . . . . . . 7 ((( deg1𝑅):(Base‘𝑃)⟶ℝ* ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃)) → (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ℝ*)
6345, 61, 62sylancr 694 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ℝ*)
6428ssdifd 3708 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ⊆ ((Base‘𝑃) ∖ {(0g𝑃)}))
65 imass2 5420 . . . . . . . . . 10 ((𝐼 ∖ {(0g𝑃)}) ⊆ ((Base‘𝑃) ∖ {(0g𝑃)}) → (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (( deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})))
6664, 65syl 17 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (( deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})))
6732, 2, 15, 6deg1n0ima 23653 . . . . . . . . . . 11 (𝑅 ∈ Ring → (( deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ ℕ0)
6826, 67syl 17 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ ℕ0)
69 nn0uz 11598 . . . . . . . . . 10 0 = (ℤ‘0)
7068, 69syl6sseq 3614 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
7166, 70sstrd 3578 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
72 uzssz 11583 . . . . . . . . 9 (ℤ‘0) ⊆ ℤ
73 zssre 11261 . . . . . . . . . 10 ℤ ⊆ ℝ
74 ressxr 9962 . . . . . . . . . 10 ℝ ⊆ ℝ*
7573, 74sstri 3577 . . . . . . . . 9 ℤ ⊆ ℝ*
7672, 75sstri 3577 . . . . . . . 8 (ℤ‘0) ⊆ ℝ*
7771, 76syl6ss 3580 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ ℝ*)
787, 15lidl0cl 19033 . . . . . . . . . . . 12 ((𝑃 ∈ Ring ∧ 𝐼𝑈) → (0g𝑃) ∈ 𝐼)
7953, 27, 78syl2anc 691 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (0g𝑃) ∈ 𝐼)
8079snssd 4281 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → {(0g𝑃)} ⊆ 𝐼)
8131necomd 2837 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → {(0g𝑃)} ≠ 𝐼)
82 pssdifn0 3898 . . . . . . . . . 10 (({(0g𝑃)} ⊆ 𝐼 ∧ {(0g𝑃)} ≠ 𝐼) → (𝐼 ∖ {(0g𝑃)}) ≠ ∅)
8380, 81, 82syl2anc 691 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ≠ ∅)
84 ffn 5958 . . . . . . . . . . . 12 (( deg1𝑅):(Base‘𝑃)⟶ℝ* → ( deg1𝑅) Fn (Base‘𝑃))
8545, 84ax-mp 5 . . . . . . . . . . 11 ( deg1𝑅) Fn (Base‘𝑃)
8628ssdifssd 3710 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ⊆ (Base‘𝑃))
87 fnimaeq0 5926 . . . . . . . . . . 11 ((( deg1𝑅) Fn (Base‘𝑃) ∧ (𝐼 ∖ {(0g𝑃)}) ⊆ (Base‘𝑃)) → ((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) = ∅ ↔ (𝐼 ∖ {(0g𝑃)}) = ∅))
8885, 86, 87sylancr 694 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) = ∅ ↔ (𝐼 ∖ {(0g𝑃)}) = ∅))
8988necon3bid 2826 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ≠ ∅ ↔ (𝐼 ∖ {(0g𝑃)}) ≠ ∅))
9083, 89mpbird 246 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ≠ ∅)
91 infssuzcl 11648 . . . . . . . 8 (((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0) ∧ (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ≠ ∅) → inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
9271, 90, 91syl2anc 691 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
9377, 92sseldd 3569 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ ℝ*)
94 xrltnle 9984 . . . . . 6 (((( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ℝ* ∧ inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ ℝ*) → ((( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ↔ ¬ inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼)))))
9563, 93, 94syl2anc 691 . . . . 5 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ↔ ¬ inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼)))))
9644, 95mpbid 221 . . . 4 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ¬ inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))))
9771adantr 480 . . . . . . 7 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
9885a1i 11 . . . . . . . 8 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → ( deg1𝑅) Fn (Base‘𝑃))
9986adantr 480 . . . . . . . 8 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (𝐼 ∖ {(0g𝑃)}) ⊆ (Base‘𝑃))
10060adantr 480 . . . . . . . . 9 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ 𝐼)
101 simpr 476 . . . . . . . . 9 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃))
102 eldifsn 4260 . . . . . . . . 9 ((𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (𝐼 ∖ {(0g𝑃)}) ↔ ((𝑋(rem1p𝑅)(𝐺𝐼)) ∈ 𝐼 ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)))
103100, 101, 102sylanbrc 695 . . . . . . . 8 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (𝐼 ∖ {(0g𝑃)}))
104 fnfvima 6400 . . . . . . . 8 ((( deg1𝑅) Fn (Base‘𝑃) ∧ (𝐼 ∖ {(0g𝑃)}) ⊆ (Base‘𝑃) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (𝐼 ∖ {(0g𝑃)})) → (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
10598, 99, 103, 104syl3anc 1318 . . . . . . 7 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
106 infssuzle 11647 . . . . . . 7 (((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0) ∧ (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ (( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)}))) → inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))))
10797, 105, 106syl2anc 691 . . . . . 6 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))))
108107ex 449 . . . . 5 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃) → inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼)))))
109108necon1bd 2800 . . . 4 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (¬ inf((( deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ (( deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) → (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃)))
11096, 109mpd 15 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃))
1112, 14, 6, 37, 15, 40dvdsr1p 23725 . . . 4 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → ((𝐺𝐼) 𝑋 ↔ (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃)))
11226, 30, 39, 111syl3anc 1318 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝐺𝐼) 𝑋 ↔ (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃)))
113110, 112mpbird 246 . 2 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) 𝑋)
11424, 113pm2.61dane 2869 1 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) 𝑋)
 Colors of variables: wff setvar class Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977   ≠ wne 2780   ∖ cdif 3537   ⊆ wss 3540  ∅c0 3874  {csn 4125   class class class wbr 4583   “ cima 5041   Fn wfn 5799  ⟶wf 5800  ‘cfv 5804  (class class class)co 6549  infcinf 8230  ℝcr 9814  0cc0 9815  ℝ*cxr 9952   < clt 9953   ≤ cle 9954  ℕ0cn0 11169  ℤcz 11254  ℤ≥cuz 11563  Basecbs 15695  .rcmulr 15769  0gc0g 15923  -gcsg 17247  Ringcrg 18370  ∥rcdsr 18461  DivRingcdr 18570  LIdealclidl 18991  Poly1cpl1 19368   deg1 cdg1 23618  Monic1pcmn1 23689  Unic1pcuc1p 23690  quot1pcq1p 23691  rem1pcr1p 23692  idlGen1pcig1p 23693 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-pre-sup 9893  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-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-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-ofr 6796  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-inf 8232  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-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-fzo 12335  df-seq 12664  df-hash 12980  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-0g 15925  df-gsum 15926  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-cntz 17573  df-cmn 18018  df-abl 18019  df-mgp 18313  df-ur 18325  df-ring 18372  df-cring 18373  df-oppr 18446  df-dvdsr 18464  df-unit 18465  df-invr 18495  df-drng 18572  df-subrg 18601  df-lmod 18688  df-lss 18754  df-sra 18993  df-rgmod 18994  df-lidl 18995  df-rlreg 19104  df-ascl 19135  df-psr 19177  df-mvr 19178  df-mpl 19179  df-opsr 19181  df-psr1 19371  df-vr1 19372  df-ply1 19373  df-coe1 19374  df-cnfld 19568  df-mdeg 23619  df-deg1 23620  df-mon1 23694  df-uc1p 23695  df-q1p 23696  df-r1p 23697  df-ig1p 23698 This theorem is referenced by:  ig1prsp  23741
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