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Theorem ig1pdvds 26219
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 20736 . . . . . . 7 (𝑅 ∈ DivRing → 𝑅 ∈ Ring)
2 ig1pval.p . . . . . . . 8 𝑃 = (Poly1𝑅)
32ply1ring 22249 . . . . . . 7 (𝑅 ∈ Ring → 𝑃 ∈ Ring)
41, 3syl 17 . . . . . 6 (𝑅 ∈ DivRing → 𝑃 ∈ Ring)
543ad2ant1 1134 . . . . 5 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → 𝑃 ∈ Ring)
6 eqid 2737 . . . . . . . 8 (Base‘𝑃) = (Base‘𝑃)
7 ig1pcl.u . . . . . . . 8 𝑈 = (LIdeal‘𝑃)
86, 7lidlss 21222 . . . . . . 7 (𝐼𝑈𝐼 ⊆ (Base‘𝑃))
983ad2ant2 1135 . . . . . 6 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → 𝐼 ⊆ (Base‘𝑃))
10 ig1pval.g . . . . . . . 8 𝐺 = (idlGen1p𝑅)
112, 10, 7ig1pcl 26218 . . . . . . 7 ((𝑅 ∈ DivRing ∧ 𝐼𝑈) → (𝐺𝐼) ∈ 𝐼)
12113adant3 1133 . . . . . 6 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) ∈ 𝐼)
139, 12sseldd 3984 . . . . 5 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) ∈ (Base‘𝑃))
14 ig1pdvds.d . . . . . 6 = (∥r𝑃)
15 eqid 2737 . . . . . 6 (0g𝑃) = (0g𝑃)
166, 14, 15dvdsr01 20371 . . . . 5 ((𝑃 ∈ Ring ∧ (𝐺𝐼) ∈ (Base‘𝑃)) → (𝐺𝐼) (0g𝑃))
175, 13, 16syl2anc 584 . . . 4 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) (0g𝑃))
1817adantr 480 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → (𝐺𝐼) (0g𝑃))
19 eleq2 2830 . . . . . 6 (𝐼 = {(0g𝑃)} → (𝑋𝐼𝑋 ∈ {(0g𝑃)}))
2019biimpac 478 . . . . 5 ((𝑋𝐼𝐼 = {(0g𝑃)}) → 𝑋 ∈ {(0g𝑃)})
21203ad2antl3 1188 . . . 4 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → 𝑋 ∈ {(0g𝑃)})
22 elsni 4643 . . . 4 (𝑋 ∈ {(0g𝑃)} → 𝑋 = (0g𝑃))
2321, 22syl 17 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → 𝑋 = (0g𝑃))
2418, 23breqtrrd 5171 . 2 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → (𝐺𝐼) 𝑋)
25 simpl1 1192 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑅 ∈ DivRing)
2625, 1syl 17 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑅 ∈ Ring)
27 simpl2 1193 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼𝑈)
2827, 8syl 17 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼 ⊆ (Base‘𝑃))
29 simpl3 1194 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑋𝐼)
3028, 29sseldd 3984 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑋 ∈ (Base‘𝑃))
31 simpr 484 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼 ≠ {(0g𝑃)})
32 eqid 2737 . . . . . . . . . . 11 (deg1𝑅) = (deg1𝑅)
33 eqid 2737 . . . . . . . . . . 11 (Monic1p𝑅) = (Monic1p𝑅)
342, 10, 15, 7, 32, 33ig1pval3 26217 . . . . . . . . . 10 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝐼 ≠ {(0g𝑃)}) → ((𝐺𝐼) ∈ 𝐼 ∧ (𝐺𝐼) ∈ (Monic1p𝑅) ∧ ((deg1𝑅)‘(𝐺𝐼)) = inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < )))
3525, 27, 31, 34syl3anc 1373 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝐺𝐼) ∈ 𝐼 ∧ (𝐺𝐼) ∈ (Monic1p𝑅) ∧ ((deg1𝑅)‘(𝐺𝐼)) = inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < )))
3635simp2d 1144 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Monic1p𝑅))
37 eqid 2737 . . . . . . . . 9 (Unic1p𝑅) = (Unic1p𝑅)
3837, 33mon1puc1p 26190 . . . . . . . 8 ((𝑅 ∈ Ring ∧ (𝐺𝐼) ∈ (Monic1p𝑅)) → (𝐺𝐼) ∈ (Unic1p𝑅))
3926, 36, 38syl2anc 584 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Unic1p𝑅))
40 eqid 2737 . . . . . . . 8 (rem1p𝑅) = (rem1p𝑅)
4140, 2, 6, 37, 32r1pdeglt 26199 . . . . . . 7 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < ((deg1𝑅)‘(𝐺𝐼)))
4226, 30, 39, 41syl3anc 1373 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < ((deg1𝑅)‘(𝐺𝐼)))
4335simp3d 1145 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝐺𝐼)) = inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ))
4442, 43breqtrd 5169 . . . . 5 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ))
4532, 2, 6deg1xrf 26120 . . . . . . 7 (deg1𝑅):(Base‘𝑃)⟶ℝ*
4635simp1d 1143 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ 𝐼)
4728, 46sseldd 3984 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Base‘𝑃))
48 eqid 2737 . . . . . . . . . . 11 (quot1p𝑅) = (quot1p𝑅)
49 eqid 2737 . . . . . . . . . . 11 (.r𝑃) = (.r𝑃)
50 eqid 2737 . . . . . . . . . . 11 (-g𝑃) = (-g𝑃)
5140, 2, 6, 48, 49, 50r1pval 26197 . . . . . . . . . 10 ((𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Base‘𝑃)) → (𝑋(rem1p𝑅)(𝐺𝐼)) = (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))))
5230, 47, 51syl2anc 584 . . . . . . . . 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 26196 . . . . . . . . . . . 12 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → (𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
5526, 30, 39, 54syl3anc 1373 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
567, 6, 49lidlmcl 21235 . . . . . . . . . . 11 (((𝑃 ∈ Ring ∧ 𝐼𝑈) ∧ ((𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ 𝐼)) → ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)
5753, 27, 55, 46, 56syl22anc 839 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)
587, 50lidlsubcl 21234 . . . . . . . . . 10 (((𝑃 ∈ Ring ∧ 𝐼𝑈) ∧ (𝑋𝐼 ∧ ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)) → (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))) ∈ 𝐼)
5953, 27, 29, 57, 58syl22anc 839 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))) ∈ 𝐼)
6052, 59eqeltrd 2841 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ 𝐼)
6128, 60sseldd 3984 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
62 ffvelcdm 7101 . . . . . . 7 (((deg1𝑅):(Base‘𝑃)⟶ℝ* ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃)) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ℝ*)
6345, 61, 62sylancr 587 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ℝ*)
6428ssdifd 4145 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ⊆ ((Base‘𝑃) ∖ {(0g𝑃)}))
65 imass2 6120 . . . . . . . . . 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 26128 . . . . . . . . . . 11 (𝑅 ∈ Ring → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ ℕ0)
6826, 67syl 17 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ ℕ0)
69 nn0uz 12920 . . . . . . . . . 10 0 = (ℤ‘0)
7068, 69sseqtrdi 4024 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
7166, 70sstrd 3994 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
72 uzssz 12899 . . . . . . . . 9 (ℤ‘0) ⊆ ℤ
73 zssre 12620 . . . . . . . . . 10 ℤ ⊆ ℝ
74 ressxr 11305 . . . . . . . . . 10 ℝ ⊆ ℝ*
7573, 74sstri 3993 . . . . . . . . 9 ℤ ⊆ ℝ*
7672, 75sstri 3993 . . . . . . . 8 (ℤ‘0) ⊆ ℝ*
7771, 76sstrdi 3996 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ ℝ*)
787, 15lidl0cl 21230 . . . . . . . . . . . 12 ((𝑃 ∈ Ring ∧ 𝐼𝑈) → (0g𝑃) ∈ 𝐼)
7953, 27, 78syl2anc 584 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (0g𝑃) ∈ 𝐼)
8079snssd 4809 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → {(0g𝑃)} ⊆ 𝐼)
8131necomd 2996 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → {(0g𝑃)} ≠ 𝐼)
82 pssdifn0 4368 . . . . . . . . . 10 (({(0g𝑃)} ⊆ 𝐼 ∧ {(0g𝑃)} ≠ 𝐼) → (𝐼 ∖ {(0g𝑃)}) ≠ ∅)
8380, 81, 82syl2anc 584 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ≠ ∅)
84 ffn 6736 . . . . . . . . . . . 12 ((deg1𝑅):(Base‘𝑃)⟶ℝ* → (deg1𝑅) Fn (Base‘𝑃))
8545, 84ax-mp 5 . . . . . . . . . . 11 (deg1𝑅) Fn (Base‘𝑃)
8628ssdifssd 4147 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ⊆ (Base‘𝑃))
87 fnimaeq0 6701 . . . . . . . . . . 11 (((deg1𝑅) Fn (Base‘𝑃) ∧ (𝐼 ∖ {(0g𝑃)}) ⊆ (Base‘𝑃)) → (((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) = ∅ ↔ (𝐼 ∖ {(0g𝑃)}) = ∅))
8885, 86, 87sylancr 587 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) = ∅ ↔ (𝐼 ∖ {(0g𝑃)}) = ∅))
8988necon3bid 2985 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ≠ ∅ ↔ (𝐼 ∖ {(0g𝑃)}) ≠ ∅))
9083, 89mpbird 257 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ≠ ∅)
91 infssuzcl 12974 . . . . . . . 8 ((((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0) ∧ ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ≠ ∅) → inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
9271, 90, 91syl2anc 584 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
9377, 92sseldd 3984 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ ℝ*)
94 xrltnle 11328 . . . . . 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 584 . . . . 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 232 . . . 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))
9860adantr 480 . . . . . . . . 9 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ 𝐼)
99 simpr 484 . . . . . . . . 9 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃))
100 eldifsn 4786 . . . . . . . . 9 ((𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (𝐼 ∖ {(0g𝑃)}) ↔ ((𝑋(rem1p𝑅)(𝐺𝐼)) ∈ 𝐼 ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)))
10198, 99, 100sylanbrc 583 . . . . . . . 8 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (𝐼 ∖ {(0g𝑃)}))
102 fnfvima 7253 . . . . . . . 8 (((deg1𝑅) Fn (Base‘𝑃) ∧ (𝐼 ∖ {(0g𝑃)}) ⊆ (Base‘𝑃) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (𝐼 ∖ {(0g𝑃)})) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
10385, 86, 101, 102mp3an2ani 1470 . . . . . . 7 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
104 infssuzle 12973 . . . . . . 7 ((((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0) ∧ ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)}))) → inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))))
10597, 103, 104syl2anc 584 . . . . . 6 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))))
106105ex 412 . . . . 5 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃) → inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼)))))
107106necon1bd 2958 . . . 4 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (¬ inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ≤ ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) → (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃)))
10896, 107mpd 15 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃))
1092, 14, 6, 37, 15, 40dvdsr1p 26203 . . . 4 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → ((𝐺𝐼) 𝑋 ↔ (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃)))
11026, 30, 39, 109syl3anc 1373 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝐺𝐼) 𝑋 ↔ (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃)))
111108, 110mpbird 257 . 2 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) 𝑋)
11224, 111pm2.61dane 3029 1 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) 𝑋)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 206  wa 395  w3a 1087   = wceq 1540  wcel 2108  wne 2940  cdif 3948  wss 3951  c0 4333  {csn 4626   class class class wbr 5143  cima 5688   Fn wfn 6556  wf 6557  cfv 6561  (class class class)co 7431  infcinf 9481  cr 11154  0cc0 11155  *cxr 11294   < clt 11295  cle 11296  0cn0 12526  cz 12613  cuz 12878  Basecbs 17247  .rcmulr 17298  0gc0g 17484  -gcsg 18953  Ringcrg 20230  rcdsr 20354  DivRingcdr 20729  LIdealclidl 21216  Poly1cpl1 22178  deg1cdg1 26093  Monic1pcmn1 26165  Unic1pcuc1p 26166  quot1pcq1p 26167  rem1pcr1p 26168  idlGen1pcig1p 26169
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2157  ax-12 2177  ax-ext 2708  ax-rep 5279  ax-sep 5296  ax-nul 5306  ax-pow 5365  ax-pr 5432  ax-un 7755  ax-cnex 11211  ax-resscn 11212  ax-1cn 11213  ax-icn 11214  ax-addcl 11215  ax-addrcl 11216  ax-mulcl 11217  ax-mulrcl 11218  ax-mulcom 11219  ax-addass 11220  ax-mulass 11221  ax-distr 11222  ax-i2m1 11223  ax-1ne0 11224  ax-1rid 11225  ax-rnegex 11226  ax-rrecex 11227  ax-cnre 11228  ax-pre-lttri 11229  ax-pre-lttrn 11230  ax-pre-ltadd 11231  ax-pre-mulgt0 11232  ax-pre-sup 11233  ax-addf 11234
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2065  df-mo 2540  df-eu 2569  df-clab 2715  df-cleq 2729  df-clel 2816  df-nfc 2892  df-ne 2941  df-nel 3047  df-ral 3062  df-rex 3071  df-rmo 3380  df-reu 3381  df-rab 3437  df-v 3482  df-sbc 3789  df-csb 3900  df-dif 3954  df-un 3956  df-in 3958  df-ss 3968  df-pss 3971  df-nul 4334  df-if 4526  df-pw 4602  df-sn 4627  df-pr 4629  df-tp 4631  df-op 4633  df-uni 4908  df-int 4947  df-iun 4993  df-iin 4994  df-br 5144  df-opab 5206  df-mpt 5226  df-tr 5260  df-id 5578  df-eprel 5584  df-po 5592  df-so 5593  df-fr 5637  df-se 5638  df-we 5639  df-xp 5691  df-rel 5692  df-cnv 5693  df-co 5694  df-dm 5695  df-rn 5696  df-res 5697  df-ima 5698  df-pred 6321  df-ord 6387  df-on 6388  df-lim 6389  df-suc 6390  df-iota 6514  df-fun 6563  df-fn 6564  df-f 6565  df-f1 6566  df-fo 6567  df-f1o 6568  df-fv 6569  df-isom 6570  df-riota 7388  df-ov 7434  df-oprab 7435  df-mpo 7436  df-of 7697  df-ofr 7698  df-om 7888  df-1st 8014  df-2nd 8015  df-supp 8186  df-tpos 8251  df-frecs 8306  df-wrecs 8337  df-recs 8411  df-rdg 8450  df-1o 8506  df-2o 8507  df-er 8745  df-map 8868  df-pm 8869  df-ixp 8938  df-en 8986  df-dom 8987  df-sdom 8988  df-fin 8989  df-fsupp 9402  df-sup 9482  df-inf 9483  df-oi 9550  df-card 9979  df-pnf 11297  df-mnf 11298  df-xr 11299  df-ltxr 11300  df-le 11301  df-sub 11494  df-neg 11495  df-nn 12267  df-2 12329  df-3 12330  df-4 12331  df-5 12332  df-6 12333  df-7 12334  df-8 12335  df-9 12336  df-n0 12527  df-z 12614  df-dec 12734  df-uz 12879  df-fz 13548  df-fzo 13695  df-seq 14043  df-hash 14370  df-struct 17184  df-sets 17201  df-slot 17219  df-ndx 17231  df-base 17248  df-ress 17275  df-plusg 17310  df-mulr 17311  df-starv 17312  df-sca 17313  df-vsca 17314  df-ip 17315  df-tset 17316  df-ple 17317  df-ds 17319  df-unif 17320  df-hom 17321  df-cco 17322  df-0g 17486  df-gsum 17487  df-prds 17492  df-pws 17494  df-mre 17629  df-mrc 17630  df-acs 17632  df-mgm 18653  df-sgrp 18732  df-mnd 18748  df-mhm 18796  df-submnd 18797  df-grp 18954  df-minusg 18955  df-sbg 18956  df-mulg 19086  df-subg 19141  df-ghm 19231  df-cntz 19335  df-cmn 19800  df-abl 19801  df-mgp 20138  df-rng 20150  df-ur 20179  df-ring 20232  df-cring 20233  df-oppr 20334  df-dvdsr 20357  df-unit 20358  df-invr 20388  df-subrng 20546  df-subrg 20570  df-rlreg 20694  df-drng 20731  df-lmod 20860  df-lss 20930  df-sra 21172  df-rgmod 21173  df-lidl 21218  df-cnfld 21365  df-ascl 21875  df-psr 21929  df-mvr 21930  df-mpl 21931  df-opsr 21933  df-psr1 22181  df-vr1 22182  df-ply1 22183  df-coe1 22184  df-mdeg 26094  df-deg1 26095  df-mon1 26170  df-uc1p 26171  df-q1p 26172  df-r1p 26173  df-ig1p 26174
This theorem is referenced by:  ig1prsp  26220
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