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Theorem mxidlirred 33755
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 21505 . . . . . 6 PID = (IDomn ∩ LPIR)
75, 6eleqtrdi 2873 . . . . 5 (𝜑𝑅 ∈ (IDomn ∩ LPIR))
87elin1d 4157 . . . 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 33754 . 2 ((𝜑𝑀 ∈ (MaxIdeal‘𝑅)) → 𝑋 ∈ (Irred‘𝑅))
16 eqid 2763 . . . . . . . . . . 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 2763 . . . . . . . . . . 11 (Unit‘𝑅) = (Unit‘𝑅)
21 eqid 2763 . . . . . . . . . . 11 (.r𝑅) = (.r𝑅)
228idomringd 20826 . . . . . . . . . . . . . 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 2864 . . . . . . . . . . . . 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 2763 . . . . . . . . . . . . . 14 (Irred‘𝑅) = (Irred‘𝑅)
3130, 1, 20, 21irredmul 20507 . . . . . . . . . . . . 13 ((𝑡𝐵𝑥𝐵 ∧ (𝑡(.r𝑅)𝑥) ∈ (Irred‘𝑅)) → (𝑡 ∈ (Unit‘𝑅) ∨ 𝑥 ∈ (Unit‘𝑅)))
3226, 18, 29, 31syl3anc 1398 . . . . . . . . . . . 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 2965 . . . . . . . . . . . . . . . 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 3026 . . . . . . . . . . . . . 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 2963 . . . . . . . . . . . . 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 2763 . . . . . . . . . . . . . 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 20825 . . . . . . . . . . . . . 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 33732 . . . . . . . . . . . . 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 2769 . . . . . . . . . . 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 33697 . . . . . . . . . 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 33701 . . . . . . . . . 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 2801 . . . . . . . 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 2811 . . . . . . 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 4752 . . . . . . . . . . . . 13 (𝜑 → {𝑋} ⊆ 𝐵)
642, 1rspssid 21365 . . . . . . . . . . . . 13 ((𝑅 ∈ Ring ∧ {𝑋} ⊆ 𝐵) → {𝑋} ⊆ (𝐾‘{𝑋}))
6522, 63, 64syl2anc 595 . . . . . . . . . . . 12 (𝜑 → {𝑋} ⊆ (𝐾‘{𝑋}))
6665, 4sseqtrrdi 3978 . . . . . . . . . . 11 (𝜑 → {𝑋} ⊆ 𝑀)
67 snssg 4749 . . . . . . . . . . . 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 3938 . . . . . . . 8 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑋𝑘)
7271, 33eleqtrd 2865 . . . . . . 7 (((((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) ∧ 𝑥𝐵) ∧ 𝑘 = (𝐾‘{𝑥})) → 𝑋 ∈ (𝐾‘{𝑥}))
731, 21, 2elrspsn 21371 . . . . . . . 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 3173 . . . . 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 4158 . . . . . . . . 9 (𝜑𝑅 ∈ LPIR)
79 eqid 2763 . . . . . . . . . . 11 (LPIdeal‘𝑅) = (LPIdeal‘𝑅)
80 eqid 2763 . . . . . . . . . . 11 (LIdeal‘𝑅) = (LIdeal‘𝑅)
8179, 80islpir 21496 . . . . . . . . . 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 2865 . . . . . 6 (((((𝜑𝑋 ∈ (Irred‘𝑅)) ∧ ¬ 𝑀 ∈ (MaxIdeal‘𝑅)) ∧ 𝑘 ∈ (LIdeal‘𝑅)) ∧ ¬ (𝑀𝑘 → (𝑘 = 𝑀𝑘 = 𝐵))) → 𝑘 ∈ (LPIdeal‘𝑅))
8679, 2, 1islpidl 21493 . . . . . . 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 3173 . . . 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 20503 . . . . . . . . . 10 (𝑋 ∈ (Irred‘𝑅) → ¬ 𝑋 ∈ (Unit‘𝑅))
9392adantl 486 . . . . . . . . 9 ((𝜑𝑋 ∈ (Irred‘𝑅)) → ¬ 𝑋 ∈ (Unit‘𝑅))
948idomcringd 20825 . . . . . . . . . . . 12 (𝜑𝑅 ∈ CRing)
9520, 2, 4, 1, 10, 94unitpidl1 33732 . . . . . . . . . . 11 (𝜑 → (𝑀 = 𝐵𝑋 ∈ (Unit‘𝑅)))
9695adantr 485 . . . . . . . . . 10 ((𝜑𝑋 ∈ (Irred‘𝑅)) → (𝑀 = 𝐵𝑋 ∈ (Unit‘𝑅)))
9796necon3abid 2994 . . . . . . . . 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 33745 . . . . . . . . . . 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 1105 . . . . . . . . . 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 3117 . . . . 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 3173 . . 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 1103   = wceq 1570  wcel 2143  wne 2958  wral 3079  wrex 3089  cin 3904  wss 3905  {csn 4589   class class class wbr 5109  cfv 6536  (class class class)co 7410  Basecbs 17264  .rcmulr 17306  0gc0g 17487  Ringcrg 20310  rcdsr 20432  Unitcui 20433  Irredcir 20434  IDomncidom 20792  LIdealclidl 21330  RSpancrsp 21331  LPIdealclpidl 21488  LPIRclpir 21489  PIDcpid 21504  MaxIdealcmxidl 33742
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-rep 5238  ax-sep 5257  ax-nul 5269  ax-pow 5336  ax-pr 5404  ax-un 7732  ax-cnex 11151  ax-resscn 11152  ax-1cn 11153  ax-icn 11154  ax-addcl 11155  ax-addrcl 11156  ax-mulcl 11157  ax-mulrcl 11158  ax-mulcom 11159  ax-addass 11160  ax-mulass 11161  ax-distr 11162  ax-i2m1 11163  ax-1ne0 11164  ax-1rid 11165  ax-rnegex 11166  ax-rrecex 11167  ax-cnre 11168  ax-pre-lttri 11169  ax-pre-lttrn 11170  ax-pre-ltadd 11171  ax-pre-mulgt0 11172
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-nel 3065  df-ral 3080  df-rex 3090  df-rmo 3369  df-reu 3370  df-rab 3417  df-v 3457  df-sbc 3745  df-csb 3854  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-pss 3925  df-nul 4287  df-if 4488  df-pw 4564  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4873  df-int 4913  df-iun 4958  df-br 5110  df-opab 5174  df-mpt 5193  df-tr 5219  df-id 5556  df-eprel 5561  df-po 5569  df-so 5570  df-fr 5614  df-we 5616  df-xp 5667  df-rel 5668  df-cnv 5669  df-co 5670  df-dm 5671  df-rn 5672  df-res 5673  df-ima 5674  df-pred 6302  df-ord 6363  df-on 6364  df-lim 6365  df-suc 6366  df-iota 6492  df-fun 6538  df-fn 6539  df-f 6540  df-f1 6541  df-fo 6542  df-f1o 6543  df-fv 6544  df-riota 7367  df-ov 7413  df-oprab 7414  df-mpo 7415  df-om 7859  df-1st 7982  df-2nd 7983  df-tpos 8218  df-frecs 8274  df-wrecs 8305  df-recs 8354  df-rdg 8393  df-er 8690  df-en 8940  df-dom 8941  df-sdom 8942  df-pnf 11240  df-mnf 11241  df-xr 11242  df-ltxr 11243  df-le 11244  df-sub 11438  df-neg 11439  df-nn 12229  df-2 12298  df-3 12299  df-4 12300  df-5 12301  df-6 12302  df-7 12303  df-8 12304  df-sets 17219  df-slot 17237  df-ndx 17249  df-base 17265  df-ress 17286  df-plusg 17318  df-mulr 17319  df-sca 17321  df-vsca 17322  df-ip 17323  df-0g 17489  df-mgm 18693  df-sgrp 18772  df-mnd 18788  df-grp 18998  df-minusg 18999  df-sbg 19000  df-subg 19184  df-cmn 19847  df-abl 19848  df-mgp 20212  df-rng 20226  df-ur 20259  df-ring 20312  df-cring 20313  df-oppr 20415  df-dvdsr 20435  df-unit 20436  df-irred 20437  df-invr 20466  df-nzr 20610  df-subrg 20669  df-domn 20794  df-idom 20795  df-lmod 20983  df-lss 21053  df-lsp 21093  df-sra 21294  df-rgmod 21295  df-lidl 21332  df-rsp 21333  df-lpidl 21490  df-lpir 21491  df-pid 21505  df-mxidl 33743
This theorem is referenced by:  rprmirredb  33822  algextdeglem4  34110
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