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Theorem ig1pdvds 26085
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 20645 . . . . . . 7 (𝑅 ∈ DivRing → 𝑅 ∈ Ring)
2 ig1pval.p . . . . . . . 8 𝑃 = (Poly1𝑅)
32ply1ring 22132 . . . . . . 7 (𝑅 ∈ Ring → 𝑃 ∈ Ring)
41, 3syl 17 . . . . . 6 (𝑅 ∈ DivRing → 𝑃 ∈ Ring)
543ad2ant1 1133 . . . . 5 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → 𝑃 ∈ Ring)
6 eqid 2729 . . . . . . . 8 (Base‘𝑃) = (Base‘𝑃)
7 ig1pcl.u . . . . . . . 8 𝑈 = (LIdeal‘𝑃)
86, 7lidlss 21122 . . . . . . 7 (𝐼𝑈𝐼 ⊆ (Base‘𝑃))
983ad2ant2 1134 . . . . . 6 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → 𝐼 ⊆ (Base‘𝑃))
10 ig1pval.g . . . . . . . 8 𝐺 = (idlGen1p𝑅)
112, 10, 7ig1pcl 26084 . . . . . . 7 ((𝑅 ∈ DivRing ∧ 𝐼𝑈) → (𝐺𝐼) ∈ 𝐼)
12113adant3 1132 . . . . . 6 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) ∈ 𝐼)
139, 12sseldd 3947 . . . . 5 ((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) → (𝐺𝐼) ∈ (Base‘𝑃))
14 ig1pdvds.d . . . . . 6 = (∥r𝑃)
15 eqid 2729 . . . . . 6 (0g𝑃) = (0g𝑃)
166, 14, 15dvdsr01 20280 . . . . 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 2817 . . . . . 6 (𝐼 = {(0g𝑃)} → (𝑋𝐼𝑋 ∈ {(0g𝑃)}))
2019biimpac 478 . . . . 5 ((𝑋𝐼𝐼 = {(0g𝑃)}) → 𝑋 ∈ {(0g𝑃)})
21203ad2antl3 1188 . . . 4 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → 𝑋 ∈ {(0g𝑃)})
22 elsni 4606 . . . 4 (𝑋 ∈ {(0g𝑃)} → 𝑋 = (0g𝑃))
2321, 22syl 17 . . 3 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 = {(0g𝑃)}) → 𝑋 = (0g𝑃))
2418, 23breqtrrd 5135 . 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 3947 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝑋 ∈ (Base‘𝑃))
31 simpr 484 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → 𝐼 ≠ {(0g𝑃)})
32 eqid 2729 . . . . . . . . . . 11 (deg1𝑅) = (deg1𝑅)
33 eqid 2729 . . . . . . . . . . 11 (Monic1p𝑅) = (Monic1p𝑅)
342, 10, 15, 7, 32, 33ig1pval3 26083 . . . . . . . . . 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 1143 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Monic1p𝑅))
37 eqid 2729 . . . . . . . . 9 (Unic1p𝑅) = (Unic1p𝑅)
3837, 33mon1puc1p 26056 . . . . . . . 8 ((𝑅 ∈ Ring ∧ (𝐺𝐼) ∈ (Monic1p𝑅)) → (𝐺𝐼) ∈ (Unic1p𝑅))
3926, 36, 38syl2anc 584 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Unic1p𝑅))
40 eqid 2729 . . . . . . . 8 (rem1p𝑅) = (rem1p𝑅)
4140, 2, 6, 37, 32r1pdeglt 26065 . . . . . . 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 1144 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝐺𝐼)) = inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ))
4442, 43breqtrd 5133 . . . . 5 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅)‘(𝑋(rem1p𝑅)(𝐺𝐼))) < inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ))
4532, 2, 6deg1xrf 25986 . . . . . . 7 (deg1𝑅):(Base‘𝑃)⟶ℝ*
4635simp1d 1142 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ 𝐼)
4728, 46sseldd 3947 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐺𝐼) ∈ (Base‘𝑃))
48 eqid 2729 . . . . . . . . . . 11 (quot1p𝑅) = (quot1p𝑅)
49 eqid 2729 . . . . . . . . . . 11 (.r𝑃) = (.r𝑃)
50 eqid 2729 . . . . . . . . . . 11 (-g𝑃) = (-g𝑃)
5140, 2, 6, 48, 49, 50r1pval 26063 . . . . . . . . . 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 26062 . . . . . . . . . . . 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 21135 . . . . . . . . . . 11 (((𝑃 ∈ Ring ∧ 𝐼𝑈) ∧ ((𝑋(quot1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃) ∧ (𝐺𝐼) ∈ 𝐼)) → ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)
5753, 27, 55, 46, 56syl22anc 838 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)
587, 50lidlsubcl 21134 . . . . . . . . . 10 (((𝑃 ∈ Ring ∧ 𝐼𝑈) ∧ (𝑋𝐼 ∧ ((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼)) ∈ 𝐼)) → (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))) ∈ 𝐼)
5953, 27, 29, 57, 58syl22anc 838 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(-g𝑃)((𝑋(quot1p𝑅)(𝐺𝐼))(.r𝑃)(𝐺𝐼))) ∈ 𝐼)
6052, 59eqeltrd 2828 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ 𝐼)
6128, 60sseldd 3947 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝑋(rem1p𝑅)(𝐺𝐼)) ∈ (Base‘𝑃))
62 ffvelcdm 7053 . . . . . . 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 4108 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ⊆ ((Base‘𝑃) ∖ {(0g𝑃)}))
65 imass2 6073 . . . . . . . . . 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 25994 . . . . . . . . . . 11 (𝑅 ∈ Ring → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ ℕ0)
6826, 67syl 17 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ ℕ0)
69 nn0uz 12835 . . . . . . . . . 10 0 = (ℤ‘0)
7068, 69sseqtrdi 3987 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ ((Base‘𝑃) ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
7166, 70sstrd 3957 . . . . . . . 8 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ (ℤ‘0))
72 uzssz 12814 . . . . . . . . 9 (ℤ‘0) ⊆ ℤ
73 zssre 12536 . . . . . . . . . 10 ℤ ⊆ ℝ
74 ressxr 11218 . . . . . . . . . 10 ℝ ⊆ ℝ*
7573, 74sstri 3956 . . . . . . . . 9 ℤ ⊆ ℝ*
7672, 75sstri 3956 . . . . . . . 8 (ℤ‘0) ⊆ ℝ*
7771, 76sstrdi 3959 . . . . . . 7 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → ((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})) ⊆ ℝ*)
787, 15lidl0cl 21130 . . . . . . . . . . . 12 ((𝑃 ∈ Ring ∧ 𝐼𝑈) → (0g𝑃) ∈ 𝐼)
7953, 27, 78syl2anc 584 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (0g𝑃) ∈ 𝐼)
8079snssd 4773 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → {(0g𝑃)} ⊆ 𝐼)
8131necomd 2980 . . . . . . . . . 10 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → {(0g𝑃)} ≠ 𝐼)
82 pssdifn0 4331 . . . . . . . . . 10 (({(0g𝑃)} ⊆ 𝐼 ∧ {(0g𝑃)} ≠ 𝐼) → (𝐼 ∖ {(0g𝑃)}) ≠ ∅)
8380, 81, 82syl2anc 584 . . . . . . . . 9 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ≠ ∅)
84 ffn 6688 . . . . . . . . . . . 12 ((deg1𝑅):(Base‘𝑃)⟶ℝ* → (deg1𝑅) Fn (Base‘𝑃))
8545, 84ax-mp 5 . . . . . . . . . . 11 (deg1𝑅) Fn (Base‘𝑃)
8628ssdifssd 4110 . . . . . . . . . . 11 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → (𝐼 ∖ {(0g𝑃)}) ⊆ (Base‘𝑃))
87 fnimaeq0 6651 . . . . . . . . . . 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 2969 . . . . . . . . 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 12891 . . . . . . . 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 3947 . . . . . 6 (((𝑅 ∈ DivRing ∧ 𝐼𝑈𝑋𝐼) ∧ 𝐼 ≠ {(0g𝑃)}) → inf(((deg1𝑅) “ (𝐼 ∖ {(0g𝑃)})), ℝ, < ) ∈ ℝ*)
94 xrltnle 11241 . . . . . 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 4750 . . . . . . . . 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 7207 . . . . . . . 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 12890 . . . . . . 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 2943 . . . 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 26069 . . . 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 3012 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 1540  wcel 2109  wne 2925  cdif 3911  wss 3914  c0 4296  {csn 4589   class class class wbr 5107  cima 5641   Fn wfn 6506  wf 6507  cfv 6511  (class class class)co 7387  infcinf 9392  cr 11067  0cc0 11068  *cxr 11207   < clt 11208  cle 11209  0cn0 12442  cz 12529  cuz 12793  Basecbs 17179  .rcmulr 17221  0gc0g 17402  -gcsg 18867  Ringcrg 20142  rcdsr 20263  DivRingcdr 20638  LIdealclidl 21116  Poly1cpl1 22061  deg1cdg1 25959  Monic1pcmn1 26031  Unic1pcuc1p 26032  quot1pcq1p 26033  rem1pcr1p 26034  idlGen1pcig1p 26035
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 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-rep 5234  ax-sep 5251  ax-nul 5261  ax-pow 5320  ax-pr 5387  ax-un 7711  ax-cnex 11124  ax-resscn 11125  ax-1cn 11126  ax-icn 11127  ax-addcl 11128  ax-addrcl 11129  ax-mulcl 11130  ax-mulrcl 11131  ax-mulcom 11132  ax-addass 11133  ax-mulass 11134  ax-distr 11135  ax-i2m1 11136  ax-1ne0 11137  ax-1rid 11138  ax-rnegex 11139  ax-rrecex 11140  ax-cnre 11141  ax-pre-lttri 11142  ax-pre-lttrn 11143  ax-pre-ltadd 11144  ax-pre-mulgt0 11145  ax-pre-sup 11146  ax-addf 11147
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-rmo 3354  df-reu 3355  df-rab 3406  df-v 3449  df-sbc 3754  df-csb 3863  df-dif 3917  df-un 3919  df-in 3921  df-ss 3931  df-pss 3934  df-nul 4297  df-if 4489  df-pw 4565  df-sn 4590  df-pr 4592  df-tp 4594  df-op 4596  df-uni 4872  df-int 4911  df-iun 4957  df-iin 4958  df-br 5108  df-opab 5170  df-mpt 5189  df-tr 5215  df-id 5533  df-eprel 5538  df-po 5546  df-so 5547  df-fr 5591  df-se 5592  df-we 5593  df-xp 5644  df-rel 5645  df-cnv 5646  df-co 5647  df-dm 5648  df-rn 5649  df-res 5650  df-ima 5651  df-pred 6274  df-ord 6335  df-on 6336  df-lim 6337  df-suc 6338  df-iota 6464  df-fun 6513  df-fn 6514  df-f 6515  df-f1 6516  df-fo 6517  df-f1o 6518  df-fv 6519  df-isom 6520  df-riota 7344  df-ov 7390  df-oprab 7391  df-mpo 7392  df-of 7653  df-ofr 7654  df-om 7843  df-1st 7968  df-2nd 7969  df-supp 8140  df-tpos 8205  df-frecs 8260  df-wrecs 8291  df-recs 8340  df-rdg 8378  df-1o 8434  df-2o 8435  df-er 8671  df-map 8801  df-pm 8802  df-ixp 8871  df-en 8919  df-dom 8920  df-sdom 8921  df-fin 8922  df-fsupp 9313  df-sup 9393  df-inf 9394  df-oi 9463  df-card 9892  df-pnf 11210  df-mnf 11211  df-xr 11212  df-ltxr 11213  df-le 11214  df-sub 11407  df-neg 11408  df-nn 12187  df-2 12249  df-3 12250  df-4 12251  df-5 12252  df-6 12253  df-7 12254  df-8 12255  df-9 12256  df-n0 12443  df-z 12530  df-dec 12650  df-uz 12794  df-fz 13469  df-fzo 13616  df-seq 13967  df-hash 14296  df-struct 17117  df-sets 17134  df-slot 17152  df-ndx 17164  df-base 17180  df-ress 17201  df-plusg 17233  df-mulr 17234  df-starv 17235  df-sca 17236  df-vsca 17237  df-ip 17238  df-tset 17239  df-ple 17240  df-ds 17242  df-unif 17243  df-hom 17244  df-cco 17245  df-0g 17404  df-gsum 17405  df-prds 17410  df-pws 17412  df-mre 17547  df-mrc 17548  df-acs 17550  df-mgm 18567  df-sgrp 18646  df-mnd 18662  df-mhm 18710  df-submnd 18711  df-grp 18868  df-minusg 18869  df-sbg 18870  df-mulg 19000  df-subg 19055  df-ghm 19145  df-cntz 19249  df-cmn 19712  df-abl 19713  df-mgp 20050  df-rng 20062  df-ur 20091  df-ring 20144  df-cring 20145  df-oppr 20246  df-dvdsr 20266  df-unit 20267  df-invr 20297  df-subrng 20455  df-subrg 20479  df-rlreg 20603  df-drng 20640  df-lmod 20768  df-lss 20838  df-sra 21080  df-rgmod 21081  df-lidl 21118  df-cnfld 21265  df-ascl 21764  df-psr 21818  df-mvr 21819  df-mpl 21820  df-opsr 21822  df-psr1 22064  df-vr1 22065  df-ply1 22066  df-coe1 22067  df-mdeg 25960  df-deg1 25961  df-mon1 26036  df-uc1p 26037  df-q1p 26038  df-r1p 26039  df-ig1p 26040
This theorem is referenced by:  ig1prsp  26086
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