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Theorem mxidlirred 33699
Description: In a principal ideal domain, maximal ideals are exactly the ideals generated by irreducible elements. (Contributed by Thierry Arnoux, 22-Mar-2025.)
Hypotheses
Ref Expression
mxidlirred.b 𝐵 = (Base‘𝑅)
mxidlirred.k 𝐾 = (RSpan‘𝑅)
mxidlirred.0 0 = (0g𝑅)
mxidlirred.m 𝑀 = (𝐾‘{𝑋})
mxidlirred.r (𝜑𝑅 ∈ PID)
mxidlirred.x (𝜑𝑋𝐵)
mxidlirred.y (𝜑𝑋0 )
mxidlirred.1 (𝜑𝑀 ∈ (LIdeal‘𝑅))
Assertion
Ref Expression
mxidlirred (𝜑 → (𝑀 ∈ (MaxIdeal‘𝑅) ↔ 𝑋 ∈ (Irred‘𝑅)))

Proof of Theorem mxidlirred
Dummy variables 𝑡 𝑥 𝑘 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 mxidlirred.b . . 3 𝐵 = (Base‘𝑅)
2 mxidlirred.k . . 3 𝐾 = (RSpan‘𝑅)
3 mxidlirred.0 . . 3 0 = (0g𝑅)
4 mxidlirred.m . . 3 𝑀 = (𝐾‘{𝑋})
5 mxidlirred.r . . . . . 6 (𝜑𝑅 ∈ PID)
6 df-pid 21473 . . . . . 6 PID = (IDomn ∩ LPIR)
75, 6eleqtrdi 2879 . . . . 5 (𝜑𝑅 ∈ (IDomn ∩ LPIR))
87elin1d 4165 . . . 4 (𝜑𝑅 ∈ IDomn)
98adantr 485 . . 3 ((𝜑𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑅 ∈ IDomn)
10 mxidlirred.x . . . 4 (𝜑𝑋𝐵)
1110adantr 485 . . 3 ((𝜑𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑋𝐵)
12 mxidlirred.y . . . 4 (𝜑𝑋0 )
1312adantr 485 . . 3 ((𝜑𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑋0 )
14 simpr 489 . . 3 ((𝜑𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑀 ∈ (MaxIdeal‘𝑅))
151, 2, 3, 4, 9, 11, 13, 14mxidlirredi 33698 . 2 ((𝜑𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑋 ∈ (Irred‘𝑅))
16 eqid 2769 . . . . . . . . . . 11 (∥r𝑅) = (∥r𝑅)
17 simplr 780 . . . . . . . . . . . 12 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑥𝐵)
1817ad2antrr 738 . . . . . . . . . . 11 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑥𝐵)
1910ad8antr 752 . . . . . . . . . . 11 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑋𝐵)
20 eqid 2769 . . . . . . . . . . 11 (Unit‘𝑅) = (Unit‘𝑅)
21 eqid 2769 . . . . . . . . . . 11 (.r𝑅) = (.r𝑅)
228idomringd 20811 . . . . . . . . . . . . . 14 (𝜑𝑅 ∈ Ring)
2322ad4antr 744 . . . . . . . . . . . . 13 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → 𝑅 ∈ Ring)
2423ad2antrr 738 . . . . . . . . . . . 12 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑅 ∈ Ring)
2524ad2antrr 738 . . . . . . . . . . 11 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑅 ∈ Ring)
26 simplr 780 . . . . . . . . . . . . 13 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑡𝐵)
27 simpr 489 . . . . . . . . . . . . . 14 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑋 = (𝑡(.r𝑅)𝑥))
28 simp-8r 803 . . . . . . . . . . . . . 14 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑋 ∈ (Irred‘𝑅))
2927, 28eqeltrrd 2870 . . . . . . . . . . . . 13 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → (𝑡(.r𝑅)𝑥) ∈ (Irred‘𝑅))
30 eqid 2769 . . . . . . . . . . . . . 14 (Irred‘𝑅) = (Irred‘𝑅)
3130, 1, 20, 21irredmul 20510 . . . . . . . . . . . . 13 ((𝑡𝐵𝑥𝐵 ∧ (𝑡(.r𝑅)𝑥) ∈ (Irred‘𝑅)) → (𝑡 ∈ (Unit‘𝑅) ∨ 𝑥 ∈ (Unit‘𝑅)))
3226, 18, 29, 31syl3anc 1396 . . . . . . . . . . . 12 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → (𝑡 ∈ (Unit‘𝑅) ∨ 𝑥 ∈ (Unit‘𝑅)))
33 simpr 489 . . . . . . . . . . . . . . . 16 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑘 = (𝐾‘{𝑥}))
3433ad2antrr 738 . . . . . . . . . . . . . . 15 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑘 = (𝐾‘{𝑥}))
35 simpr 489 . . . . . . . . . . . . . . . . . . . . 21 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))
36 annim 408 . . . . . . . . . . . . . . . . . . . . 21 ((𝑀𝑘 ∧ ¬ (𝑘 = 𝑀𝑘 = 𝐵)) ↔ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))
3735, 36sylibr 237 . . . . . . . . . . . . . . . . . . . 20 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → (𝑀𝑘 ∧ ¬ (𝑘 = 𝑀𝑘 = 𝐵)))
3837simprd 500 . . . . . . . . . . . . . . . . . . 19 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → ¬ (𝑘 = 𝑀𝑘 = 𝐵))
39 ioran 999 . . . . . . . . . . . . . . . . . . 19 (¬ (𝑘 = 𝑀𝑘 = 𝐵) ↔ (¬ 𝑘 = 𝑀 ∧ ¬ 𝑘 = 𝐵))
4038, 39sylib 221 . . . . . . . . . . . . . . . . . 18 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → (¬ 𝑘 = 𝑀 ∧ ¬ 𝑘 = 𝐵))
4140simprd 500 . . . . . . . . . . . . . . . . 17 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → ¬ 𝑘 = 𝐵)
4241neqned 2971 . . . . . . . . . . . . . . . 16 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → 𝑘𝐵)
4342ad4antr 744 . . . . . . . . . . . . . . 15 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑘𝐵)
4434, 43eqnetrrd 3032 . . . . . . . . . . . . . 14 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → (𝐾‘{𝑥}) ≠ 𝐵)
4544neneqd 2969 . . . . . . . . . . . . 13 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → ¬ (𝐾‘{𝑥}) = 𝐵)
46 eqid 2769 . . . . . . . . . . . . . 14 (𝐾‘{𝑥}) = (𝐾‘{𝑥})
478ad8antr 752 . . . . . . . . . . . . . . 15 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑅 ∈ IDomn)
4847idomcringd 20810 . . . . . . . . . . . . . 14 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑅 ∈ CRing)
4920, 2, 46, 1, 18, 48unitpidl1 33675 . . . . . . . . . . . . 13 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → ((𝐾‘{𝑥}) = 𝐵𝑥 ∈ (Unit‘𝑅)))
5045, 49mtbid 327 . . . . . . . . . . . 12 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → ¬ 𝑥 ∈ (Unit‘𝑅))
5132, 50olcnd 890 . . . . . . . . . . 11 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑡 ∈ (Unit‘𝑅))
5227eqcomd 2775 . . . . . . . . . . 11 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → (𝑡(.r𝑅)𝑥) = 𝑋)
531, 2, 16, 18, 19, 20, 21, 25, 51, 52dvdsruassoi 33640 . . . . . . . . . 10 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → (𝑥(∥r𝑅)𝑋𝑋(∥r𝑅)𝑥))
541, 2, 16, 18, 19, 25rspsnasso 33644 . . . . . . . . . 10 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → ((𝑥(∥r𝑅)𝑋𝑋(∥r𝑅)𝑥) ↔ (𝐾‘{𝑋}) = (𝐾‘{𝑥})))
5553, 54mpbid 235 . . . . . . . . 9 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → (𝐾‘{𝑋}) = (𝐾‘{𝑥}))
5655, 34eqtr4d 2807 . . . . . . . 8 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → (𝐾‘{𝑋}) = 𝑘)
574, 56eqtr2id 2817 . . . . . . 7 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑘 = 𝑀)
5840simpld 499 . . . . . . . 8 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → ¬ 𝑘 = 𝑀)
5958ad4antr 744 . . . . . . 7 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → ¬ 𝑘 = 𝑀)
6057, 59pm2.21dd 198 . . . . . 6 (((((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) ∧ 𝑡𝐵) ∧ 𝑋 = (𝑡(.r𝑅)𝑥)) → 𝑀 ∈ (MaxIdeal‘𝑅))
6137simpld 499 . . . . . . . . . 10 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → 𝑀𝑘)
6261ad2antrr 738 . . . . . . . . 9 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑀𝑘)
6310snssd 4757 . . . . . . . . . . . . 13 (𝜑 → {𝑋} ⊆ 𝐵)
642, 1rspssid 21342 . . . . . . . . . . . . 13 ((𝑅 ∈ Ring ∧ {𝑋} ⊆ 𝐵) → {𝑋} ⊆ (𝐾‘{𝑋}))
6522, 63, 64syl2anc 595 . . . . . . . . . . . 12 (𝜑 → {𝑋} ⊆ (𝐾‘{𝑋}))
6665, 4sseqtrrdi 3986 . . . . . . . . . . 11 (𝜑 → {𝑋} ⊆ 𝑀)
67 snssg 4754 . . . . . . . . . . . 12 (𝑋𝐵 → (𝑋𝑀 ↔ {𝑋} ⊆ 𝑀))
6867biimpar 482 . . . . . . . . . . 11 ((𝑋𝐵 ∧ {𝑋} ⊆ 𝑀) → 𝑋𝑀)
6910, 66, 68syl2anc 595 . . . . . . . . . 10 (𝜑𝑋𝑀)
7069ad6antr 748 . . . . . . . . 9 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑋𝑀)
7162, 70sseldd 3946 . . . . . . . 8 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑋𝑘)
7271, 33eleqtrd 2871 . . . . . . 7 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑋 ∈ (𝐾‘{𝑥}))
731, 21, 2elrspsn 21346 . . . . . . . 8 ((𝑅 ∈ Ring ∧ 𝑥𝐵) → (𝑋 ∈ (𝐾‘{𝑥}) ↔ ∃𝑡𝐵 𝑋 = (𝑡(.r𝑅)𝑥)))
7473biimpa 481 . . . . . . 7 (((𝑅 ∈ Ring ∧ 𝑥𝐵) ∧ 𝑋 ∈ (𝐾‘{𝑥})) → ∃𝑡𝐵 𝑋 = (𝑡(.r𝑅)𝑥))
7524, 17, 72, 74syl21anc 850 . . . . . 6 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → ∃𝑡𝐵 𝑋 = (𝑡(.r𝑅)𝑥))
7660, 75r19.29a 3179 . . . . 5 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑀 ∈ (MaxIdeal‘𝑅))
77 simplr 780 . . . . . . 7 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → 𝑘 ∈ (LIdeal‘𝑅))
787elin2d 4166 . . . . . . . . 9 (𝜑𝑅 ∈ LPIR)
79 eqid 2769 . . . . . . . . . . 11 (LPIdeal‘𝑅) = (LPIdeal‘𝑅)
80 eqid 2769 . . . . . . . . . . 11 (LIdeal‘𝑅) = (LIdeal‘𝑅)
8179, 80islpir 21464 . . . . . . . . . 10 (𝑅 ∈ LPIR ↔ (𝑅 ∈ Ring ∧ (LIdeal‘𝑅) = (LPIdeal‘𝑅)))
8281simprbi 502 . . . . . . . . 9 (𝑅 ∈ LPIR → (LIdeal‘𝑅) = (LPIdeal‘𝑅))
8378, 82syl 18 . . . . . . . 8 (𝜑 → (LIdeal‘𝑅) = (LPIdeal‘𝑅))
8483ad4antr 744 . . . . . . 7 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → (LIdeal‘𝑅) = (LPIdeal‘𝑅))
8577, 84eleqtrd 2871 . . . . . 6 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → 𝑘 ∈ (LPIdeal‘𝑅))
8679, 2, 1islpidl 21461 . . . . . . 7 (𝑅 ∈ Ring → (𝑘 ∈ (LPIdeal‘𝑅) ↔ ∃𝑥𝐵 𝑘 = (𝐾‘{𝑥})))
8786biimpa 481 . . . . . 6 ((𝑅 ∈ Ring ∧ 𝑘 ∈ (LPIdeal‘𝑅)) → ∃𝑥𝐵 𝑘 = (𝐾‘{𝑥}))
8823, 85, 87syl2anc 595 . . . . 5 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → ∃𝑥𝐵 𝑘 = (𝐾‘{𝑥}))
8976, 88r19.29a 3179 . . . 4 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → 𝑀 ∈ (MaxIdeal‘𝑅))
90 mxidlirred.1 . . . . . . . 8 (𝜑𝑀 ∈ (LIdeal‘𝑅))
9190ad2antrr 738 . . . . . . 7 (((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑀 ∈ (LIdeal‘𝑅))
9230, 20irrednu 20506 . . . . . . . . . 10 (𝑋 ∈ (Irred‘𝑅) → ¬ 𝑋 ∈ (Unit‘𝑅))
9392adantl 486 . . . . . . . . 9 ((𝜑𝑋 ∈ (Irred‘𝑅)) → ¬ 𝑋 ∈ (Unit‘𝑅))
948idomcringd 20810 . . . . . . . . . . . 12 (𝜑𝑅 ∈ CRing)
9520, 2, 4, 1, 10, 94unitpidl1 33675 . . . . . . . . . . 11 (𝜑 → (𝑀 = 𝐵𝑋 ∈ (Unit‘𝑅)))
9695adantr 485 . . . . . . . . . 10 ((𝜑𝑋 ∈ (Irred‘𝑅)) → (𝑀 = 𝐵𝑋 ∈ (Unit‘𝑅)))
9796necon3abid 3000 . . . . . . . . 9 ((𝜑𝑋 ∈ (Irred‘𝑅)) → (𝑀𝐵 ↔ ¬ 𝑋 ∈ (Unit‘𝑅)))
9893, 97mpbird 260 . . . . . . . 8 ((𝜑𝑋 ∈ (Irred‘𝑅)) → 𝑀𝐵)
9998adantr 485 . . . . . . 7 (((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑀𝐵)
10091, 99jca 520 . . . . . 6 (((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) → (𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵))
1011ismxidl 33689 . . . . . . . . . . 11 (𝑅 ∈ Ring → (𝑀 ∈ (MaxIdeal‘𝑅) ↔ (𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵 ∧ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))))
10222, 101syl 18 . . . . . . . . . 10 (𝜑 → (𝑀 ∈ (MaxIdeal‘𝑅) ↔ (𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵 ∧ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))))
103 df-3an 1103 . . . . . . . . . 10 ((𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵 ∧ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ↔ ((𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵) ∧ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))))
104102, 103bitrdi 290 . . . . . . . . 9 (𝜑 → (𝑀 ∈ (MaxIdeal‘𝑅) ↔ ((𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵) ∧ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))))
105104notbid 321 . . . . . . . 8 (𝜑 → (¬ 𝑀 ∈ (MaxIdeal‘𝑅) ↔ ¬ ((𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵) ∧ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))))
106105biimpa 481 . . . . . . 7 ((𝜑 ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) → ¬ ((𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵) ∧ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))))
107106adantlr 727 . . . . . 6 (((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) → ¬ ((𝑀 ∈ (LIdeal‘𝑅) ∧ 𝑀𝐵) ∧ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))))
108100, 107mpnanrd 414 . . . . 5 (((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) → ¬ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))
109 rexnal 3123 . . . . 5 (∃𝑘 ∈ (LIdeal‘𝑅) ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)) ↔ ¬ ∀𝑘 ∈ (LIdeal‘𝑅)(𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))
110108, 109sylibr 237 . . . 4 (((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) → ∃𝑘 ∈ (LIdeal‘𝑅) ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵)))
11189, 110r19.29a 3179 . . 3 (((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑀 ∈ (MaxIdeal‘𝑅))
112111pm2.18da 811 . 2 ((𝜑𝑋 ∈ (Irred‘𝑅)) → 𝑀 ∈ (MaxIdeal‘𝑅))
11315, 112impbida 812 1 (𝜑 → (𝑀 ∈ (MaxIdeal‘𝑅) ↔ 𝑋 ∈ (Irred‘𝑅)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 209  wa 400  wo 860  w3a 1101   = wceq 1567  wcel 2149  wne 2964  wral 3085  wrex 3095  cin 3912  wss 3913  {csn 4594   class class class wbr 5113  cfv 6537  (class class class)co 7411  Basecbs 17268  .rcmulr 17310  0gc0g 17491  Ringcrg 20314  rcdsr 20435  Unitcui 20436  Irredcir 20437  IDomncidom 20777  LIdealclidl 21307  RSpancrsp 21308  LPIdealclpidl 21456  LPIRclpir 21457  PIDcpid 21472  MaxIdealcmxidl 33686
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-rep 5242  ax-sep 5261  ax-nul 5271  ax-pow 5337  ax-pr 5405  ax-un 7733  ax-cnex 11155  ax-resscn 11156  ax-1cn 11157  ax-icn 11158  ax-addcl 11159  ax-addrcl 11160  ax-mulcl 11161  ax-mulrcl 11162  ax-mulcom 11163  ax-addass 11164  ax-mulass 11165  ax-distr 11166  ax-i2m1 11167  ax-1ne0 11168  ax-1rid 11169  ax-rnegex 11170  ax-rrecex 11171  ax-cnre 11172  ax-pre-lttri 11173  ax-pre-lttrn 11174  ax-pre-ltadd 11175  ax-pre-mulgt0 11176
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1102  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-nel 3071  df-ral 3086  df-rex 3096  df-rmo 3376  df-reu 3377  df-rab 3424  df-v 3465  df-sbc 3754  df-csb 3862  df-dif 3916  df-un 3918  df-in 3920  df-ss 3930  df-pss 3933  df-nul 4295  df-if 4493  df-pw 4569  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4877  df-int 4917  df-iun 4962  df-br 5114  df-opab 5178  df-mpt 5197  df-tr 5223  df-id 5557  df-eprel 5562  df-po 5570  df-so 5571  df-fr 5615  df-we 5617  df-xp 5668  df-rel 5669  df-cnv 5670  df-co 5671  df-dm 5672  df-rn 5673  df-res 5674  df-ima 5675  df-pred 6303  df-ord 6364  df-on 6365  df-lim 6366  df-suc 6367  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-riota 7368  df-ov 7414  df-oprab 7415  df-mpo 7416  df-om 7862  df-1st 7985  df-2nd 7986  df-tpos 8221  df-frecs 8277  df-wrecs 8308  df-recs 8357  df-rdg 8396  df-er 8693  df-en 8943  df-dom 8944  df-sdom 8945  df-pnf 11244  df-mnf 11245  df-xr 11246  df-ltxr 11247  df-le 11248  df-sub 11442  df-neg 11443  df-nn 12233  df-2 12302  df-3 12303  df-4 12304  df-5 12305  df-6 12306  df-7 12307  df-8 12308  df-sets 17223  df-slot 17241  df-ndx 17253  df-base 17269  df-ress 17290  df-plusg 17322  df-mulr 17323  df-sca 17325  df-vsca 17326  df-ip 17327  df-0g 17493  df-mgm 18697  df-sgrp 18776  df-mnd 18792  df-grp 19002  df-minusg 19003  df-sbg 19004  df-subg 19188  df-cmn 19851  df-abl 19852  df-mgp 20216  df-rng 20230  df-ur 20263  df-ring 20316  df-cring 20317  df-oppr 20418  df-dvdsr 20438  df-unit 20439  df-irred 20440  df-invr 20469  df-nzr 20595  df-subrg 20654  df-domn 20779  df-idom 20780  df-lmod 20960  df-lss 21030  df-lsp 21070  df-sra 21271  df-rgmod 21272  df-lidl 21309  df-rsp 21310  df-lpidl 21458  df-lpir 21459  df-pid 21473  df-mxidl 33687
This theorem is referenced by:  rprmirredb  33766  algextdeglem4  34054
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