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Theorem minplyirred 33701
Description: A nonzero minimal polynomial is irreducible. (Contributed by Thierry Arnoux, 22-Mar-2025.)
Hypotheses
Ref Expression
ply1annig1p.o 𝑂 = (𝐸 evalSub1 𝐹)
ply1annig1p.p 𝑃 = (Poly1‘(𝐸s 𝐹))
ply1annig1p.b 𝐵 = (Base‘𝐸)
ply1annig1p.e (𝜑𝐸 ∈ Field)
ply1annig1p.f (𝜑𝐹 ∈ (SubDRing‘𝐸))
ply1annig1p.a (𝜑𝐴𝐵)
minplyirred.1 𝑀 = (𝐸 minPoly 𝐹)
minplyirred.2 𝑍 = (0g𝑃)
minplyirred.3 (𝜑 → (𝑀𝐴) ≠ 𝑍)
Assertion
Ref Expression
minplyirred (𝜑 → (𝑀𝐴) ∈ (Irred‘𝑃))

Proof of Theorem minplyirred
Dummy variables 𝑞 𝑓 𝑔 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 ply1annig1p.o . . 3 𝑂 = (𝐸 evalSub1 𝐹)
2 ply1annig1p.p . . 3 𝑃 = (Poly1‘(𝐸s 𝐹))
3 ply1annig1p.b . . 3 𝐵 = (Base‘𝐸)
4 ply1annig1p.e . . 3 (𝜑𝐸 ∈ Field)
5 ply1annig1p.f . . 3 (𝜑𝐹 ∈ (SubDRing‘𝐸))
6 ply1annig1p.a . . 3 (𝜑𝐴𝐵)
7 eqid 2729 . . 3 (0g𝐸) = (0g𝐸)
8 eqid 2729 . . 3 {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)} = {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)}
9 eqid 2729 . . 3 (RSpan‘𝑃) = (RSpan‘𝑃)
10 eqid 2729 . . 3 (idlGen1p‘(𝐸s 𝐹)) = (idlGen1p‘(𝐸s 𝐹))
11 minplyirred.1 . . 3 𝑀 = (𝐸 minPoly 𝐹)
121, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11minplycl 33696 . 2 (𝜑 → (𝑀𝐴) ∈ (Base‘𝑃))
131, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11minplyval 33695 . . 3 (𝜑 → (𝑀𝐴) = ((idlGen1p‘(𝐸s 𝐹))‘{𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)}))
14 eqid 2729 . . . 4 (Base‘𝑃) = (Base‘𝑃)
15 eqid 2729 . . . . . 6 (𝐸s 𝐹) = (𝐸s 𝐹)
1615sdrgdrng 20699 . . . . 5 (𝐹 ∈ (SubDRing‘𝐸) → (𝐸s 𝐹) ∈ DivRing)
175, 16syl 17 . . . 4 (𝜑 → (𝐸s 𝐹) ∈ DivRing)
184fldcrngd 20651 . . . . 5 (𝜑𝐸 ∈ CRing)
19 sdrgsubrg 20700 . . . . . 6 (𝐹 ∈ (SubDRing‘𝐸) → 𝐹 ∈ (SubRing‘𝐸))
205, 19syl 17 . . . . 5 (𝜑𝐹 ∈ (SubRing‘𝐸))
211, 2, 3, 18, 20, 6, 7, 8ply1annidl 33692 . . . 4 (𝜑 → {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)} ∈ (LIdeal‘𝑃))
224flddrngd 20650 . . . . . 6 (𝜑𝐸 ∈ DivRing)
23 drngnzr 20657 . . . . . 6 (𝐸 ∈ DivRing → 𝐸 ∈ NzRing)
2422, 23syl 17 . . . . 5 (𝜑𝐸 ∈ NzRing)
251, 2, 3, 18, 20, 6, 7, 8, 14, 24ply1annnr 33693 . . . 4 (𝜑 → {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)} ≠ (Base‘𝑃))
262, 10, 14, 17, 21, 25ig1pnunit 33566 . . 3 (𝜑 → ¬ ((idlGen1p‘(𝐸s 𝐹))‘{𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)}) ∈ (Unit‘𝑃))
2713, 26eqneltrd 2848 . 2 (𝜑 → ¬ (𝑀𝐴) ∈ (Unit‘𝑃))
28 fldidom 20680 . . . . . . . . . . 11 (𝐸 ∈ Field → 𝐸 ∈ IDomn)
294, 28syl 17 . . . . . . . . . 10 (𝜑𝐸 ∈ IDomn)
3029idomdomd 20635 . . . . . . . . 9 (𝜑𝐸 ∈ Domn)
3130ad3antrrr 730 . . . . . . . 8 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝐸 ∈ Domn)
3218ad3antrrr 730 . . . . . . . . 9 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝐸 ∈ CRing)
3320ad3antrrr 730 . . . . . . . . 9 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝐹 ∈ (SubRing‘𝐸))
346ad3antrrr 730 . . . . . . . . 9 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝐴𝐵)
35 simpllr 775 . . . . . . . . 9 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝑓 ∈ (Base‘𝑃))
361, 2, 3, 14, 32, 33, 34, 35evls1fvcl 22262 . . . . . . . 8 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → ((𝑂𝑓)‘𝐴) ∈ 𝐵)
37 simplr 768 . . . . . . . . 9 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝑔 ∈ (Base‘𝑃))
381, 2, 3, 14, 32, 33, 34, 37evls1fvcl 22262 . . . . . . . 8 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → ((𝑂𝑔)‘𝐴) ∈ 𝐵)
39 simpr 484 . . . . . . . . . . 11 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (𝑓(.r𝑃)𝑔) = (𝑀𝐴))
4039fveq2d 6862 . . . . . . . . . 10 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (𝑂‘(𝑓(.r𝑃)𝑔)) = (𝑂‘(𝑀𝐴)))
4140fveq1d 6860 . . . . . . . . 9 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → ((𝑂‘(𝑓(.r𝑃)𝑔))‘𝐴) = ((𝑂‘(𝑀𝐴))‘𝐴))
42 eqid 2729 . . . . . . . . . 10 (.r𝑃) = (.r𝑃)
43 eqid 2729 . . . . . . . . . 10 (.r𝐸) = (.r𝐸)
441, 3, 2, 15, 14, 42, 43, 32, 33, 35, 37, 34evls1muld 22259 . . . . . . . . 9 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → ((𝑂‘(𝑓(.r𝑃)𝑔))‘𝐴) = (((𝑂𝑓)‘𝐴)(.r𝐸)((𝑂𝑔)‘𝐴)))
45 eqid 2729 . . . . . . . . . . . . . . 15 (LIdeal‘𝑃) = (LIdeal‘𝑃)
462, 10, 45ig1pcl 26084 . . . . . . . . . . . . . 14 (((𝐸s 𝐹) ∈ DivRing ∧ {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)} ∈ (LIdeal‘𝑃)) → ((idlGen1p‘(𝐸s 𝐹))‘{𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)}) ∈ {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)})
4717, 21, 46syl2anc 584 . . . . . . . . . . . . 13 (𝜑 → ((idlGen1p‘(𝐸s 𝐹))‘{𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)}) ∈ {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)})
4813, 47eqeltrd 2828 . . . . . . . . . . . 12 (𝜑 → (𝑀𝐴) ∈ {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)})
49 fveq2 6858 . . . . . . . . . . . . . . 15 (𝑞 = (𝑀𝐴) → (𝑂𝑞) = (𝑂‘(𝑀𝐴)))
5049fveq1d 6860 . . . . . . . . . . . . . 14 (𝑞 = (𝑀𝐴) → ((𝑂𝑞)‘𝐴) = ((𝑂‘(𝑀𝐴))‘𝐴))
5150eqeq1d 2731 . . . . . . . . . . . . 13 (𝑞 = (𝑀𝐴) → (((𝑂𝑞)‘𝐴) = (0g𝐸) ↔ ((𝑂‘(𝑀𝐴))‘𝐴) = (0g𝐸)))
5251elrab 3659 . . . . . . . . . . . 12 ((𝑀𝐴) ∈ {𝑞 ∈ dom 𝑂 ∣ ((𝑂𝑞)‘𝐴) = (0g𝐸)} ↔ ((𝑀𝐴) ∈ dom 𝑂 ∧ ((𝑂‘(𝑀𝐴))‘𝐴) = (0g𝐸)))
5348, 52sylib 218 . . . . . . . . . . 11 (𝜑 → ((𝑀𝐴) ∈ dom 𝑂 ∧ ((𝑂‘(𝑀𝐴))‘𝐴) = (0g𝐸)))
5453simprd 495 . . . . . . . . . 10 (𝜑 → ((𝑂‘(𝑀𝐴))‘𝐴) = (0g𝐸))
5554ad3antrrr 730 . . . . . . . . 9 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → ((𝑂‘(𝑀𝐴))‘𝐴) = (0g𝐸))
5641, 44, 553eqtr3d 2772 . . . . . . . 8 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (((𝑂𝑓)‘𝐴)(.r𝐸)((𝑂𝑔)‘𝐴)) = (0g𝐸))
573, 43, 7domneq0 20617 . . . . . . . . 9 ((𝐸 ∈ Domn ∧ ((𝑂𝑓)‘𝐴) ∈ 𝐵 ∧ ((𝑂𝑔)‘𝐴) ∈ 𝐵) → ((((𝑂𝑓)‘𝐴)(.r𝐸)((𝑂𝑔)‘𝐴)) = (0g𝐸) ↔ (((𝑂𝑓)‘𝐴) = (0g𝐸) ∨ ((𝑂𝑔)‘𝐴) = (0g𝐸))))
5857biimpa 476 . . . . . . . 8 (((𝐸 ∈ Domn ∧ ((𝑂𝑓)‘𝐴) ∈ 𝐵 ∧ ((𝑂𝑔)‘𝐴) ∈ 𝐵) ∧ (((𝑂𝑓)‘𝐴)(.r𝐸)((𝑂𝑔)‘𝐴)) = (0g𝐸)) → (((𝑂𝑓)‘𝐴) = (0g𝐸) ∨ ((𝑂𝑔)‘𝐴) = (0g𝐸)))
5931, 36, 38, 56, 58syl31anc 1375 . . . . . . 7 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (((𝑂𝑓)‘𝐴) = (0g𝐸) ∨ ((𝑂𝑔)‘𝐴) = (0g𝐸)))
604ad4antr 732 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → 𝐸 ∈ Field)
615ad4antr 732 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → 𝐹 ∈ (SubDRing‘𝐸))
6234adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → 𝐴𝐵)
63 minplyirred.2 . . . . . . . . . 10 𝑍 = (0g𝑃)
64 minplyirred.3 . . . . . . . . . . . 12 (𝜑 → (𝑀𝐴) ≠ 𝑍)
6564ad3antrrr 730 . . . . . . . . . . 11 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (𝑀𝐴) ≠ 𝑍)
6665adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → (𝑀𝐴) ≠ 𝑍)
6735adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → 𝑓 ∈ (Base‘𝑃))
68 simpllr 775 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → 𝑔 ∈ (Base‘𝑃))
69 simplr 768 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → (𝑓(.r𝑃)𝑔) = (𝑀𝐴))
70 simpr 484 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → ((𝑂𝑓)‘𝐴) = (0g𝐸))
71 fldsdrgfld 20707 . . . . . . . . . . . . . . . . . . 19 ((𝐸 ∈ Field ∧ 𝐹 ∈ (SubDRing‘𝐸)) → (𝐸s 𝐹) ∈ Field)
724, 5, 71syl2anc 584 . . . . . . . . . . . . . . . . . 18 (𝜑 → (𝐸s 𝐹) ∈ Field)
73 fldidom 20680 . . . . . . . . . . . . . . . . . 18 ((𝐸s 𝐹) ∈ Field → (𝐸s 𝐹) ∈ IDomn)
7472, 73syl 17 . . . . . . . . . . . . . . . . 17 (𝜑 → (𝐸s 𝐹) ∈ IDomn)
7574idomdomd 20635 . . . . . . . . . . . . . . . 16 (𝜑 → (𝐸s 𝐹) ∈ Domn)
762ply1domn 26029 . . . . . . . . . . . . . . . 16 ((𝐸s 𝐹) ∈ Domn → 𝑃 ∈ Domn)
7775, 76syl 17 . . . . . . . . . . . . . . 15 (𝜑𝑃 ∈ Domn)
7877ad3antrrr 730 . . . . . . . . . . . . . 14 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝑃 ∈ Domn)
7939, 65eqnetrd 2992 . . . . . . . . . . . . . 14 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (𝑓(.r𝑃)𝑔) ≠ 𝑍)
8014, 42, 63domneq0 20617 . . . . . . . . . . . . . . . 16 ((𝑃 ∈ Domn ∧ 𝑓 ∈ (Base‘𝑃) ∧ 𝑔 ∈ (Base‘𝑃)) → ((𝑓(.r𝑃)𝑔) = 𝑍 ↔ (𝑓 = 𝑍𝑔 = 𝑍)))
8180necon3abid 2961 . . . . . . . . . . . . . . 15 ((𝑃 ∈ Domn ∧ 𝑓 ∈ (Base‘𝑃) ∧ 𝑔 ∈ (Base‘𝑃)) → ((𝑓(.r𝑃)𝑔) ≠ 𝑍 ↔ ¬ (𝑓 = 𝑍𝑔 = 𝑍)))
8281biimpa 476 . . . . . . . . . . . . . 14 (((𝑃 ∈ Domn ∧ 𝑓 ∈ (Base‘𝑃) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) ≠ 𝑍) → ¬ (𝑓 = 𝑍𝑔 = 𝑍))
8378, 35, 37, 79, 82syl31anc 1375 . . . . . . . . . . . . 13 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → ¬ (𝑓 = 𝑍𝑔 = 𝑍))
84 neanior 3018 . . . . . . . . . . . . 13 ((𝑓𝑍𝑔𝑍) ↔ ¬ (𝑓 = 𝑍𝑔 = 𝑍))
8583, 84sylibr 234 . . . . . . . . . . . 12 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (𝑓𝑍𝑔𝑍))
8685simpld 494 . . . . . . . . . . 11 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝑓𝑍)
8786adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → 𝑓𝑍)
8885simprd 495 . . . . . . . . . . 11 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → 𝑔𝑍)
8988adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → 𝑔𝑍)
901, 2, 3, 60, 61, 62, 11, 63, 66, 67, 68, 69, 70, 87, 89minplyirredlem 33700 . . . . . . . . 9 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑓)‘𝐴) = (0g𝐸)) → 𝑔 ∈ (Unit‘𝑃))
9190ex 412 . . . . . . . 8 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (((𝑂𝑓)‘𝐴) = (0g𝐸) → 𝑔 ∈ (Unit‘𝑃)))
924ad4antr 732 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝐸 ∈ Field)
935ad4antr 732 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝐹 ∈ (SubDRing‘𝐸))
9434adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝐴𝐵)
9565adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → (𝑀𝐴) ≠ 𝑍)
96 simpllr 775 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝑔 ∈ (Base‘𝑃))
9735adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝑓 ∈ (Base‘𝑃))
9872fldcrngd 20651 . . . . . . . . . . . . . 14 (𝜑 → (𝐸s 𝐹) ∈ CRing)
992ply1crng 22083 . . . . . . . . . . . . . 14 ((𝐸s 𝐹) ∈ CRing → 𝑃 ∈ CRing)
10098, 99syl 17 . . . . . . . . . . . . 13 (𝜑𝑃 ∈ CRing)
101100ad4antr 732 . . . . . . . . . . . 12 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝑃 ∈ CRing)
10214, 42crngcom 20160 . . . . . . . . . . . 12 ((𝑃 ∈ CRing ∧ 𝑔 ∈ (Base‘𝑃) ∧ 𝑓 ∈ (Base‘𝑃)) → (𝑔(.r𝑃)𝑓) = (𝑓(.r𝑃)𝑔))
103101, 96, 97, 102syl3anc 1373 . . . . . . . . . . 11 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → (𝑔(.r𝑃)𝑓) = (𝑓(.r𝑃)𝑔))
104 simplr 768 . . . . . . . . . . 11 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → (𝑓(.r𝑃)𝑔) = (𝑀𝐴))
105103, 104eqtrd 2764 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → (𝑔(.r𝑃)𝑓) = (𝑀𝐴))
106 simpr 484 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → ((𝑂𝑔)‘𝐴) = (0g𝐸))
10788adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝑔𝑍)
10886adantr 480 . . . . . . . . . 10 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝑓𝑍)
1091, 2, 3, 92, 93, 94, 11, 63, 95, 96, 97, 105, 106, 107, 108minplyirredlem 33700 . . . . . . . . 9 (((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) ∧ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → 𝑓 ∈ (Unit‘𝑃))
110109ex 412 . . . . . . . 8 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (((𝑂𝑔)‘𝐴) = (0g𝐸) → 𝑓 ∈ (Unit‘𝑃)))
11191, 110orim12d 966 . . . . . . 7 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → ((((𝑂𝑓)‘𝐴) = (0g𝐸) ∨ ((𝑂𝑔)‘𝐴) = (0g𝐸)) → (𝑔 ∈ (Unit‘𝑃) ∨ 𝑓 ∈ (Unit‘𝑃))))
11259, 111mpd 15 . . . . . 6 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (𝑔 ∈ (Unit‘𝑃) ∨ 𝑓 ∈ (Unit‘𝑃)))
113112orcomd 871 . . . . 5 ((((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) ∧ (𝑓(.r𝑃)𝑔) = (𝑀𝐴)) → (𝑓 ∈ (Unit‘𝑃) ∨ 𝑔 ∈ (Unit‘𝑃)))
114113ex 412 . . . 4 (((𝜑𝑓 ∈ (Base‘𝑃)) ∧ 𝑔 ∈ (Base‘𝑃)) → ((𝑓(.r𝑃)𝑔) = (𝑀𝐴) → (𝑓 ∈ (Unit‘𝑃) ∨ 𝑔 ∈ (Unit‘𝑃))))
115114anasss 466 . . 3 ((𝜑 ∧ (𝑓 ∈ (Base‘𝑃) ∧ 𝑔 ∈ (Base‘𝑃))) → ((𝑓(.r𝑃)𝑔) = (𝑀𝐴) → (𝑓 ∈ (Unit‘𝑃) ∨ 𝑔 ∈ (Unit‘𝑃))))
116115ralrimivva 3180 . 2 (𝜑 → ∀𝑓 ∈ (Base‘𝑃)∀𝑔 ∈ (Base‘𝑃)((𝑓(.r𝑃)𝑔) = (𝑀𝐴) → (𝑓 ∈ (Unit‘𝑃) ∨ 𝑔 ∈ (Unit‘𝑃))))
117 eqid 2729 . . 3 (Unit‘𝑃) = (Unit‘𝑃)
118 eqid 2729 . . 3 (Irred‘𝑃) = (Irred‘𝑃)
11914, 117, 118, 42isirred2 20330 . 2 ((𝑀𝐴) ∈ (Irred‘𝑃) ↔ ((𝑀𝐴) ∈ (Base‘𝑃) ∧ ¬ (𝑀𝐴) ∈ (Unit‘𝑃) ∧ ∀𝑓 ∈ (Base‘𝑃)∀𝑔 ∈ (Base‘𝑃)((𝑓(.r𝑃)𝑔) = (𝑀𝐴) → (𝑓 ∈ (Unit‘𝑃) ∨ 𝑔 ∈ (Unit‘𝑃)))))
12012, 27, 116, 119syl3anbrc 1344 1 (𝜑 → (𝑀𝐴) ∈ (Irred‘𝑃))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 395  wo 847  w3a 1086   = wceq 1540  wcel 2109  wne 2925  wral 3044  {crab 3405  dom cdm 5638  cfv 6511  (class class class)co 7387  Basecbs 17179  s cress 17200  .rcmulr 17221  0gc0g 17402  CRingccrg 20143  Unitcui 20264  Irredcir 20265  NzRingcnzr 20421  SubRingcsubrg 20478  Domncdomn 20601  IDomncidom 20602  DivRingcdr 20638  Fieldcfield 20639  SubDRingcsdrg 20695  LIdealclidl 21116  RSpancrsp 21117  Poly1cpl1 22061   evalSub1 ces1 22200  idlGen1pcig1p 26035   minPoly cminply 33689
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-srg 20096  df-ring 20144  df-cring 20145  df-oppr 20246  df-dvdsr 20266  df-unit 20267  df-irred 20268  df-invr 20297  df-rhm 20381  df-nzr 20422  df-subrng 20455  df-subrg 20479  df-rlreg 20603  df-domn 20604  df-idom 20605  df-drng 20640  df-field 20641  df-sdrg 20696  df-lmod 20768  df-lss 20838  df-lsp 20878  df-sra 21080  df-rgmod 21081  df-lidl 21118  df-cnfld 21265  df-assa 21762  df-asp 21763  df-ascl 21764  df-psr 21818  df-mvr 21819  df-mpl 21820  df-opsr 21822  df-evls 21981  df-evl 21982  df-psr1 22064  df-vr1 22065  df-ply1 22066  df-coe1 22067  df-evls1 22202  df-evl1 22203  df-mdeg 25960  df-deg1 25961  df-mon1 26036  df-uc1p 26037  df-ig1p 26040  df-minply 33690
This theorem is referenced by:  irredminply  33706  algextdeglem4  33710
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