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Theorem ig1pdvds 26233
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 20752 . . . . . . 7 (𝑅 ∈ DivRing → 𝑅 ∈ Ring)
2 ig1pval.p . . . . . . . 8 𝑃 = (Poly1𝑅)
32ply1ring 22264 . . . . . . 7 (𝑅 ∈ Ring → 𝑃 ∈ Ring)
41, 3syl 17 . . . . . 6 (𝑅 ∈ DivRing → 𝑃 ∈ Ring)
543ad2ant1 1132 . . . . 5 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → 𝑃 ∈ Ring)
6 eqid 2734 . . . . . . . 8 (Base‘𝑃) = (Base‘𝑃)
7 ig1pcl.u . . . . . . . 8 𝑈 = (LIdeal‘𝑃)
86, 7lidlss 21239 . . . . . . 7 (𝐼𝑈𝐼 ⊆ (Base‘𝑃))
983ad2ant2 1133 . . . . . 6 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → 𝐼 ⊆ (Base‘𝑃))
10 ig1pval.g . . . . . . . 8 𝐺 = (idlGen1p𝑅)
112, 10, 7ig1pcl 26232 . . . . . . 7 ((𝑅 ∈ DivRing ∧ 𝐼𝑈) → (𝐺𝐼) ∈ 𝐼)
12113adant3 1131 . . . . . 6 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) ∈ 𝐼)
139, 12sseldd 3995 . . . . 5 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) ∈ (Base‘𝑃))
14 ig1pdvds.d . . . . . 6 = (∥r𝑃)
15 eqid 2734 . . . . . 6 (0g𝑃) = (0g𝑃)
166, 14, 15dvdsr01 20387 . . . . 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 2827 . . . . . 6 (𝐼 = {(0g𝑃)} → (𝑋𝐼𝑋 ∈ {(0g𝑃)}))
2019biimpac 478 . . . . 5 ((𝑋𝐼𝐼 = {(0g𝑃)}) → 𝑋 ∈ {(0g𝑃)})
21203ad2antl3 1186 . . . 4 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → 𝑋 ∈ {(0g𝑃)})
22 elsni 4647 . . . 4 (𝑋 ∈ {(0g𝑃)} → 𝑋 = (0g𝑃))
2321, 22syl 17 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → 𝑋 = (0g𝑃))
2418, 23breqtrrd 5175 . 2 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → (𝐺𝐼) 𝑋)
25 simpl1 1190 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑅 ∈ DivRing)
2625, 1syl 17 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑅 ∈ Ring)
27 simpl2 1191 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼𝑈)
2827, 8syl 17 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼 ⊆ (Base‘𝑃))
29 simpl3 1192 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑋𝐼)
3028, 29sseldd 3995 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑋 ∈ (Base‘𝑃))
31 simpr 484 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼 ≠ {(0g𝑃)})
32 eqid 2734 . . . . . . . . . . 11 (deg1𝑅) = (deg1𝑅)
33 eqid 2734 . . . . . . . . . . 11 (Monic1p𝑅) = (Monic1p𝑅)
342, 10, 15, 7, 32, 33ig1pval3 26231 . . . . . . . . . 10 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝐼 ≠ {(0g𝑃)}) → ((𝐺𝐼) ∈ 𝐼 ∧ (𝐺𝐼) ∈ (Monic1p𝑅) ∧ ((deg1𝑅)‘(𝐺𝐼)) = inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < )))
3525, 27, 31, 34syl3anc 1370 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝐺𝐼) ∈ 𝐼 ∧ (𝐺𝐼) ∈ (Monic1p𝑅) ∧ ((deg1𝑅)‘(𝐺𝐼)) = inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < )))
3635simp2d 1142 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Monic1p𝑅))
37 eqid 2734 . . . . . . . . 9 (Unic1p𝑅) = (Unic1p𝑅)
3837, 33mon1puc1p 26204 . . . . . . . 8 ((𝑅 ∈ Ring ∧ (𝐺𝐼) ∈ (Monic1p𝑅)) → (𝐺𝐼) ∈ (Unic1p𝑅))
3926, 36, 38syl2anc 584 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Unic1p𝑅))
40 eqid 2734 . . . . . . . 8 (rem1p𝑅) = (rem1p𝑅)
4140, 2, 6, 37, 32r1pdeglt 26213 . . . . . . 7 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < ((deg1𝑅)‘(𝐺𝐼)))
4226, 30, 39, 41syl3anc 1370 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < ((deg1𝑅)‘(𝐺𝐼)))
4335simp3d 1143 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝐺𝐼)) = inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ))
4442, 43breqtrd 5173 . . . . 5 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ))
4532, 2, 6deg1xrf 26134 . . . . . . 7 (deg1𝑅):(Base‘𝑃)⟶ℝ*
4635simp1d 1141 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ 𝐼)
4728, 46sseldd 3995 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Base‘𝑃))
48 eqid 2734 . . . . . . . . . . 11 (quot1p𝑅) = (quot1p𝑅)
49 eqid 2734 . . . . . . . . . . 11 (.r𝑃) = (.r𝑃)
50 eqid 2734 . . . . . . . . . . 11 (-g𝑃) = (-g𝑃)
5140, 2, 6, 48, 49, 50r1pval 26211 . . . . . . . . . 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 26210 . . . . . . . . . . . 12 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → (𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
5526, 30, 39, 54syl3anc 1370 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
567, 6, 49lidlmcl 21252 . . . . . . . . . . 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 21251 . . . . . . . . . 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 2838 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ 𝐼)
6128, 60sseldd 3995 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
62 ffvelcdm 7100 . . . . . . 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 4154 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ⊆ ((Base‘𝑃) ∖ {(0g𝑃)}))
65 imass2 6122 . . . . . . . . . 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 26142 . . . . . . . . . . 11 (𝑅 ∈ Ring → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ ℕ0)
6826, 67syl 17 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ ℕ0)
69 nn0uz 12917 . . . . . . . . . 10 0 = (ℤ‘0)
7068, 69sseqtrdi 4045 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
7166, 70sstrd 4005 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
72 uzssz 12896 . . . . . . . . 9 (ℤ‘0) ⊆ ℤ
73 zssre 12617 . . . . . . . . . 10 ℤ ⊆ ℝ
74 ressxr 11302 . . . . . . . . . 10 ℝ ⊆ ℝ*
7573, 74sstri 4004 . . . . . . . . 9 ℤ ⊆ ℝ*
7672, 75sstri 4004 . . . . . . . 8 (ℤ‘0) ⊆ ℝ*
7771, 76sstrdi 4007 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ ℝ*)
787, 15lidl0cl 21247 . . . . . . . . . . . 12 ((𝑃 ∈ Ring ∧ 𝐼𝑈) → (0g𝑃) ∈ 𝐼)
7953, 27, 78syl2anc 584 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (0g𝑃) ∈ 𝐼)
8079snssd 4813 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → {(0g𝑃)} ⊆ 𝐼)
8131necomd 2993 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → {(0g𝑃)} ≠ 𝐼)
82 pssdifn0 4373 . . . . . . . . . 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 4156 . . . . . . . . . . 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 2982 . . . . . . . . 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 12971 . . . . . . . 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 3995 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ ℝ*)
94 xrltnle 11325 . . . . . 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 4790 . . . . . . . . 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 7252 . . . . . . . 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 1467 . . . . . . 7 ((((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) ∧ (𝑋(rem1p𝑅)(𝐺𝐼)) ≠ (0g𝑃)) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) ∈ ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})))
104 infssuzle 12970 . . . . . . 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 2955 . . . 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 26217 . . . 4 ((𝑅 ∈ Ring ∧ 𝑋 ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ (Unic1p𝑅)) → ((𝐺𝐼) 𝑋 ↔ (𝑋(rem1p𝑅)(𝐺𝐼)) = (0g𝑃)))
11026, 30, 39, 109syl3anc 1370 . . 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 3026 1 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) 𝑋)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 206  wa 395  w3a 1086   = wceq 1536  wcel 2105  wne 2937  cdif 3959  wss 3962  c0 4338  {csn 4630   class class class wbr 5147  cima 5691   Fn wfn 6557  wf 6558  cfv 6562  (class class class)co 7430  infcinf 9478  cr 11151  0cc0 11152  *cxr 11291   < clt 11292  cle 11293  0cn0 12523  cz 12610  cuz 12875  Basecbs 17244  .rcmulr 17298  0gc0g 17485  -gcsg 18965  Ringcrg 20250  rcdsr 20370  DivRingcdr 20745  LIdealclidl 21233  Poly1cpl1 22193  deg1cdg1 26107  Monic1pcmn1 26179  Unic1pcuc1p 26180  quot1pcq1p 26181  rem1pcr1p 26182  idlGen1pcig1p 26183
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1791  ax-4 1805  ax-5 1907  ax-6 1964  ax-7 2004  ax-8 2107  ax-9 2115  ax-10 2138  ax-11 2154  ax-12 2174  ax-ext 2705  ax-rep 5284  ax-sep 5301  ax-nul 5311  ax-pow 5370  ax-pr 5437  ax-un 7753  ax-cnex 11208  ax-resscn 11209  ax-1cn 11210  ax-icn 11211  ax-addcl 11212  ax-addrcl 11213  ax-mulcl 11214  ax-mulrcl 11215  ax-mulcom 11216  ax-addass 11217  ax-mulass 11218  ax-distr 11219  ax-i2m1 11220  ax-1ne0 11221  ax-1rid 11222  ax-rnegex 11223  ax-rrecex 11224  ax-cnre 11225  ax-pre-lttri 11226  ax-pre-lttrn 11227  ax-pre-ltadd 11228  ax-pre-mulgt0 11229  ax-pre-sup 11230  ax-addf 11231
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1539  df-fal 1549  df-ex 1776  df-nf 1780  df-sb 2062  df-mo 2537  df-eu 2566  df-clab 2712  df-cleq 2726  df-clel 2813  df-nfc 2889  df-ne 2938  df-nel 3044  df-ral 3059  df-rex 3068  df-rmo 3377  df-reu 3378  df-rab 3433  df-v 3479  df-sbc 3791  df-csb 3908  df-dif 3965  df-un 3967  df-in 3969  df-ss 3979  df-pss 3982  df-nul 4339  df-if 4531  df-pw 4606  df-sn 4631  df-pr 4633  df-tp 4635  df-op 4637  df-uni 4912  df-int 4951  df-iun 4997  df-iin 4998  df-br 5148  df-opab 5210  df-mpt 5231  df-tr 5265  df-id 5582  df-eprel 5588  df-po 5596  df-so 5597  df-fr 5640  df-se 5641  df-we 5642  df-xp 5694  df-rel 5695  df-cnv 5696  df-co 5697  df-dm 5698  df-rn 5699  df-res 5700  df-ima 5701  df-pred 6322  df-ord 6388  df-on 6389  df-lim 6390  df-suc 6391  df-iota 6515  df-fun 6564  df-fn 6565  df-f 6566  df-f1 6567  df-fo 6568  df-f1o 6569  df-fv 6570  df-isom 6571  df-riota 7387  df-ov 7433  df-oprab 7434  df-mpo 7435  df-of 7696  df-ofr 7697  df-om 7887  df-1st 8012  df-2nd 8013  df-supp 8184  df-tpos 8249  df-frecs 8304  df-wrecs 8335  df-recs 8409  df-rdg 8448  df-1o 8504  df-2o 8505  df-er 8743  df-map 8866  df-pm 8867  df-ixp 8936  df-en 8984  df-dom 8985  df-sdom 8986  df-fin 8987  df-fsupp 9399  df-sup 9479  df-inf 9480  df-oi 9547  df-card 9976  df-pnf 11294  df-mnf 11295  df-xr 11296  df-ltxr 11297  df-le 11298  df-sub 11491  df-neg 11492  df-nn 12264  df-2 12326  df-3 12327  df-4 12328  df-5 12329  df-6 12330  df-7 12331  df-8 12332  df-9 12333  df-n0 12524  df-z 12611  df-dec 12731  df-uz 12876  df-fz 13544  df-fzo 13691  df-seq 14039  df-hash 14366  df-struct 17180  df-sets 17197  df-slot 17215  df-ndx 17227  df-base 17245  df-ress 17274  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 17487  df-gsum 17488  df-prds 17493  df-pws 17495  df-mre 17630  df-mrc 17631  df-acs 17633  df-mgm 18665  df-sgrp 18744  df-mnd 18760  df-mhm 18808  df-submnd 18809  df-grp 18966  df-minusg 18967  df-sbg 18968  df-mulg 19098  df-subg 19153  df-ghm 19243  df-cntz 19347  df-cmn 19814  df-abl 19815  df-mgp 20152  df-rng 20170  df-ur 20199  df-ring 20252  df-cring 20253  df-oppr 20350  df-dvdsr 20373  df-unit 20374  df-invr 20404  df-subrng 20562  df-subrg 20586  df-rlreg 20710  df-drng 20747  df-lmod 20876  df-lss 20947  df-sra 21189  df-rgmod 21190  df-lidl 21235  df-cnfld 21382  df-ascl 21892  df-psr 21946  df-mvr 21947  df-mpl 21948  df-opsr 21950  df-psr1 22196  df-vr1 22197  df-ply1 22198  df-coe1 22199  df-mdeg 26108  df-deg1 26109  df-mon1 26184  df-uc1p 26185  df-q1p 26186  df-r1p 26187  df-ig1p 26188
This theorem is referenced by:  ig1prsp  26234
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