| Step | Hyp | Ref
| Expression |
| 1 | | nzrring 20590 |
. . 3
⊢ (𝑅 ∈ NzRing → 𝑅 ∈ Ring) |
| 2 | 1 | adantr 485 |
. 2
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → 𝑅 ∈ Ring) |
| 3 | | eqid 2765 |
. . . . . 6
⊢
(LIdeal‘𝑅) =
(LIdeal‘𝑅) |
| 4 | | smprngprmrng.z |
. . . . . 6
⊢ 0 =
(0g‘𝑅) |
| 5 | 3, 4 | lidl0 21325 |
. . . . 5
⊢ (𝑅 ∈ Ring → { 0 } ∈
(LIdeal‘𝑅)) |
| 6 | 1, 5 | syl 18 |
. . . 4
⊢ (𝑅 ∈ NzRing → { 0 } ∈
(LIdeal‘𝑅)) |
| 7 | 6 | adantr 485 |
. . 3
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → { 0 } ∈
(LIdeal‘𝑅)) |
| 8 | | smprngprmrng.b |
. . . . . 6
⊢ 𝐵 = (Base‘𝑅) |
| 9 | 4, 8 | drnglidl1ne0 20593 |
. . . . 5
⊢ (𝑅 ∈ NzRing → 𝐵 ≠ { 0 }) |
| 10 | 9 | necomd 3015 |
. . . 4
⊢ (𝑅 ∈ NzRing → { 0 } ≠ 𝐵) |
| 11 | 10 | adantr 485 |
. . 3
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → { 0 } ≠ 𝐵) |
| 12 | | df-pr 4588 |
. . . . . . . 8
⊢ {{ 0 }, 𝐵} = ({{ 0 }} ∪ {𝐵}) |
| 13 | 12 | eqeq2i 2778 |
. . . . . . 7
⊢ (𝑈 = {{ 0 }, 𝐵} ↔ 𝑈 = ({{ 0 }} ∪ {𝐵})) |
| 14 | | smprngprmrng.u |
. . . . . . . . . . 11
⊢ 𝑈 = (LIdeal‘𝑅) |
| 15 | | id 23 |
. . . . . . . . . . 11
⊢ (𝑈 = ({{ 0 }} ∪ {𝐵}) → 𝑈 = ({{ 0 }} ∪ {𝐵})) |
| 16 | 14, 15 | eqtr3id 2814 |
. . . . . . . . . 10
⊢ (𝑈 = ({{ 0 }} ∪ {𝐵}) → (LIdeal‘𝑅) = ({{ 0 }} ∪ {𝐵})) |
| 17 | 16 | eleq2d 2851 |
. . . . . . . . 9
⊢ (𝑈 = ({{ 0 }} ∪ {𝐵}) → (𝑎 ∈ (LIdeal‘𝑅) ↔ 𝑎 ∈ ({{ 0 }} ∪ {𝐵}))) |
| 18 | 16 | eleq2d 2851 |
. . . . . . . . 9
⊢ (𝑈 = ({{ 0 }} ∪ {𝐵}) → (𝑏 ∈ (LIdeal‘𝑅) ↔ 𝑏 ∈ ({{ 0 }} ∪ {𝐵}))) |
| 19 | 17, 18 | anbi12d 643 |
. . . . . . . 8
⊢ (𝑈 = ({{ 0 }} ∪ {𝐵}) → ((𝑎 ∈ (LIdeal‘𝑅) ∧ 𝑏 ∈ (LIdeal‘𝑅)) ↔ (𝑎 ∈ ({{ 0 }} ∪ {𝐵}) ∧ 𝑏 ∈ ({{ 0 }} ∪ {𝐵})))) |
| 20 | | elun 4109 |
. . . . . . . . . 10
⊢ (𝑎 ∈ ({{ 0 }} ∪ {𝐵}) ↔ (𝑎 ∈ {{ 0 }} ∨ 𝑎 ∈ {𝐵})) |
| 21 | | velsn 4601 |
. . . . . . . . . . 11
⊢ (𝑎 ∈ {{ 0 }} ↔ 𝑎 = { 0 }) |
| 22 | | velsn 4601 |
. . . . . . . . . . 11
⊢ (𝑎 ∈ {𝐵} ↔ 𝑎 = 𝐵) |
| 23 | 21, 22 | orbi12i 927 |
. . . . . . . . . 10
⊢ ((𝑎 ∈ {{ 0 }} ∨ 𝑎 ∈ {𝐵}) ↔ (𝑎 = { 0 } ∨ 𝑎 = 𝐵)) |
| 24 | 20, 23 | bitri 278 |
. . . . . . . . 9
⊢ (𝑎 ∈ ({{ 0 }} ∪ {𝐵}) ↔ (𝑎 = { 0 } ∨ 𝑎 = 𝐵)) |
| 25 | | elun 4109 |
. . . . . . . . . 10
⊢ (𝑏 ∈ ({{ 0 }} ∪ {𝐵}) ↔ (𝑏 ∈ {{ 0 }} ∨ 𝑏 ∈ {𝐵})) |
| 26 | | velsn 4601 |
. . . . . . . . . . 11
⊢ (𝑏 ∈ {{ 0 }} ↔ 𝑏 = { 0 }) |
| 27 | | velsn 4601 |
. . . . . . . . . . 11
⊢ (𝑏 ∈ {𝐵} ↔ 𝑏 = 𝐵) |
| 28 | 26, 27 | orbi12i 927 |
. . . . . . . . . 10
⊢ ((𝑏 ∈ {{ 0 }} ∨ 𝑏 ∈ {𝐵}) ↔ (𝑏 = { 0 } ∨ 𝑏 = 𝐵)) |
| 29 | 25, 28 | bitri 278 |
. . . . . . . . 9
⊢ (𝑏 ∈ ({{ 0 }} ∪ {𝐵}) ↔ (𝑏 = { 0 } ∨ 𝑏 = 𝐵)) |
| 30 | 24, 29 | anbi12i 639 |
. . . . . . . 8
⊢ ((𝑎 ∈ ({{ 0 }} ∪ {𝐵}) ∧ 𝑏 ∈ ({{ 0 }} ∪ {𝐵})) ↔ ((𝑎 = { 0 } ∨ 𝑎 = 𝐵) ∧ (𝑏 = { 0 } ∨ 𝑏 = 𝐵))) |
| 31 | 19, 30 | bitrdi 290 |
. . . . . . 7
⊢ (𝑈 = ({{ 0 }} ∪ {𝐵}) → ((𝑎 ∈ (LIdeal‘𝑅) ∧ 𝑏 ∈ (LIdeal‘𝑅)) ↔ ((𝑎 = { 0 } ∨ 𝑎 = 𝐵) ∧ (𝑏 = { 0 } ∨ 𝑏 = 𝐵)))) |
| 32 | 13, 31 | sylbi 220 |
. . . . . 6
⊢ (𝑈 = {{ 0 }, 𝐵} → ((𝑎 ∈ (LIdeal‘𝑅) ∧ 𝑏 ∈ (LIdeal‘𝑅)) ↔ ((𝑎 = { 0 } ∨ 𝑎 = 𝐵) ∧ (𝑏 = { 0 } ∨ 𝑏 = 𝐵)))) |
| 33 | 32 | adantl 486 |
. . . . 5
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → ((𝑎 ∈ (LIdeal‘𝑅) ∧ 𝑏 ∈ (LIdeal‘𝑅)) ↔ ((𝑎 = { 0 } ∨ 𝑎 = 𝐵) ∧ (𝑏 = { 0 } ∨ 𝑏 = 𝐵)))) |
| 34 | | eqimss 3997 |
. . . . . . . . . 10
⊢ (𝑎 = { 0 } → 𝑎 ⊆ { 0 }) |
| 35 | 34 | orcd 886 |
. . . . . . . . 9
⊢ (𝑎 = { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })) |
| 36 | 35 | adantr 485 |
. . . . . . . 8
⊢ ((𝑎 = { 0 } ∧ 𝑏 = { 0 }) → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })) |
| 37 | 36 | a1i13 28 |
. . . . . . 7
⊢ (𝑅 ∈ NzRing → ((𝑎 = { 0 } ∧ 𝑏 = { 0 }) → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })))) |
| 38 | | eqimss 3997 |
. . . . . . . . . 10
⊢ (𝑏 = { 0 } → 𝑏 ⊆ { 0 }) |
| 39 | 38 | olcd 887 |
. . . . . . . . 9
⊢ (𝑏 = { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })) |
| 40 | 39 | adantl 486 |
. . . . . . . 8
⊢ ((𝑎 = 𝐵 ∧ 𝑏 = { 0 }) → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })) |
| 41 | 40 | a1i13 28 |
. . . . . . 7
⊢ (𝑅 ∈ NzRing → ((𝑎 = 𝐵 ∧ 𝑏 = { 0 }) → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })))) |
| 42 | 35 | adantr 485 |
. . . . . . . 8
⊢ ((𝑎 = { 0 } ∧ 𝑏 = 𝐵) → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })) |
| 43 | 42 | a1i13 28 |
. . . . . . 7
⊢ (𝑅 ∈ NzRing → ((𝑎 = { 0 } ∧ 𝑏 = 𝐵) → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })))) |
| 44 | | eqid 2765 |
. . . . . . . . . . . . 13
⊢
(1r‘𝑅) = (1r‘𝑅) |
| 45 | 8, 44 | ringidcl 20339 |
. . . . . . . . . . . 12
⊢ (𝑅 ∈ Ring →
(1r‘𝑅)
∈ 𝐵) |
| 46 | 1, 45 | syl 18 |
. . . . . . . . . . 11
⊢ (𝑅 ∈ NzRing →
(1r‘𝑅)
∈ 𝐵) |
| 47 | 44, 4 | nzrnz 20589 |
. . . . . . . . . . . . . 14
⊢ (𝑅 ∈ NzRing →
(1r‘𝑅)
≠ 0
) |
| 48 | 47 | neneqd 2965 |
. . . . . . . . . . . . 13
⊢ (𝑅 ∈ NzRing → ¬
(1r‘𝑅) =
0
) |
| 49 | | ringsrg 20371 |
. . . . . . . . . . . . . . . 16
⊢ (𝑅 ∈ Ring → 𝑅 ∈ SRing) |
| 50 | 49, 45 | jca 520 |
. . . . . . . . . . . . . . 15
⊢ (𝑅 ∈ Ring → (𝑅 ∈ SRing ∧
(1r‘𝑅)
∈ 𝐵)) |
| 51 | | eqid 2765 |
. . . . . . . . . . . . . . . 16
⊢
(.r‘𝑅) = (.r‘𝑅) |
| 52 | 8, 51, 44 | srgridm 20276 |
. . . . . . . . . . . . . . 15
⊢ ((𝑅 ∈ SRing ∧
(1r‘𝑅)
∈ 𝐵) →
((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) = (1r‘𝑅)) |
| 53 | 1, 50, 52 | 3syl 19 |
. . . . . . . . . . . . . 14
⊢ (𝑅 ∈ NzRing →
((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) = (1r‘𝑅)) |
| 54 | 53 | eqeq1d 2767 |
. . . . . . . . . . . . 13
⊢ (𝑅 ∈ NzRing →
(((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) = 0 ↔
(1r‘𝑅) =
0
)) |
| 55 | 48, 54 | mtbird 328 |
. . . . . . . . . . . 12
⊢ (𝑅 ∈ NzRing → ¬
((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) = 0 ) |
| 56 | | ovex 7433 |
. . . . . . . . . . . . 13
⊢
((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) ∈ V |
| 57 | 56 | elsn 4600 |
. . . . . . . . . . . 12
⊢
(((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) ∈ { 0 } ↔
((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) = 0 ) |
| 58 | 55, 57 | sylnibr 332 |
. . . . . . . . . . 11
⊢ (𝑅 ∈ NzRing → ¬
((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) ∈ { 0 }) |
| 59 | | oveq1 7407 |
. . . . . . . . . . . . . 14
⊢ (𝑥 = (1r‘𝑅) → (𝑥(.r‘𝑅)𝑦) = ((1r‘𝑅)(.r‘𝑅)𝑦)) |
| 60 | 59 | eleq1d 2850 |
. . . . . . . . . . . . 13
⊢ (𝑥 = (1r‘𝑅) → ((𝑥(.r‘𝑅)𝑦) ∈ { 0 } ↔
((1r‘𝑅)(.r‘𝑅)𝑦) ∈ { 0 })) |
| 61 | 60 | notbid 321 |
. . . . . . . . . . . 12
⊢ (𝑥 = (1r‘𝑅) → (¬ (𝑥(.r‘𝑅)𝑦) ∈ { 0 } ↔ ¬
((1r‘𝑅)(.r‘𝑅)𝑦) ∈ { 0 })) |
| 62 | | oveq2 7408 |
. . . . . . . . . . . . . 14
⊢ (𝑦 = (1r‘𝑅) →
((1r‘𝑅)(.r‘𝑅)𝑦) = ((1r‘𝑅)(.r‘𝑅)(1r‘𝑅))) |
| 63 | 62 | eleq1d 2850 |
. . . . . . . . . . . . 13
⊢ (𝑦 = (1r‘𝑅) →
(((1r‘𝑅)(.r‘𝑅)𝑦) ∈ { 0 } ↔
((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) ∈ { 0 })) |
| 64 | 63 | notbid 321 |
. . . . . . . . . . . 12
⊢ (𝑦 = (1r‘𝑅) → (¬
((1r‘𝑅)(.r‘𝑅)𝑦) ∈ { 0 } ↔ ¬
((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) ∈ { 0 })) |
| 65 | 61, 64 | rspc2ev 3597 |
. . . . . . . . . . 11
⊢
(((1r‘𝑅) ∈ 𝐵 ∧ (1r‘𝑅) ∈ 𝐵 ∧ ¬ ((1r‘𝑅)(.r‘𝑅)(1r‘𝑅)) ∈ { 0 }) → ∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝐵 ¬ (𝑥(.r‘𝑅)𝑦) ∈ { 0 }) |
| 66 | 46, 46, 58, 65 | syl3anc 1394 |
. . . . . . . . . 10
⊢ (𝑅 ∈ NzRing →
∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝐵 ¬ (𝑥(.r‘𝑅)𝑦) ∈ { 0 }) |
| 67 | | rexnal2 3147 |
. . . . . . . . . 10
⊢
(∃𝑥 ∈
𝐵 ∃𝑦 ∈ 𝐵 ¬ (𝑥(.r‘𝑅)𝑦) ∈ { 0 } ↔ ¬
∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(.r‘𝑅)𝑦) ∈ { 0 }) |
| 68 | 66, 67 | sylib 221 |
. . . . . . . . 9
⊢ (𝑅 ∈ NzRing → ¬
∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(.r‘𝑅)𝑦) ∈ { 0 }) |
| 69 | 68 | pm2.21d 122 |
. . . . . . . 8
⊢ (𝑅 ∈ NzRing →
(∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 }))) |
| 70 | | raleq 3320 |
. . . . . . . . . 10
⊢ (𝑎 = 𝐵 → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } ↔ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 })) |
| 71 | | raleq 3320 |
. . . . . . . . . . 11
⊢ (𝑏 = 𝐵 → (∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } ↔ ∀𝑦 ∈ 𝐵 (𝑥(.r‘𝑅)𝑦) ∈ { 0 })) |
| 72 | 71 | ralbidv 3188 |
. . . . . . . . . 10
⊢ (𝑏 = 𝐵 → (∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } ↔ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(.r‘𝑅)𝑦) ∈ { 0 })) |
| 73 | 70, 72 | sylan9bb 518 |
. . . . . . . . 9
⊢ ((𝑎 = 𝐵 ∧ 𝑏 = 𝐵) → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } ↔ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(.r‘𝑅)𝑦) ∈ { 0 })) |
| 74 | 73 | imbi1d 344 |
. . . . . . . 8
⊢ ((𝑎 = 𝐵 ∧ 𝑏 = 𝐵) → ((∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })) ↔ (∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })))) |
| 75 | 69, 74 | syl5ibrcom 250 |
. . . . . . 7
⊢ (𝑅 ∈ NzRing → ((𝑎 = 𝐵 ∧ 𝑏 = 𝐵) → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })))) |
| 76 | 37, 41, 43, 75 | ccased 1052 |
. . . . . 6
⊢ (𝑅 ∈ NzRing → (((𝑎 = { 0 } ∨ 𝑎 = 𝐵) ∧ (𝑏 = { 0 } ∨ 𝑏 = 𝐵)) → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })))) |
| 77 | 76 | adantr 485 |
. . . . 5
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → (((𝑎 = { 0 } ∨ 𝑎 = 𝐵) ∧ (𝑏 = { 0 } ∨ 𝑏 = 𝐵)) → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })))) |
| 78 | 33, 77 | sylbid 243 |
. . . 4
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → ((𝑎 ∈ (LIdeal‘𝑅) ∧ 𝑏 ∈ (LIdeal‘𝑅)) → (∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 })))) |
| 79 | 78 | ralrimivv 3206 |
. . 3
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → ∀𝑎 ∈ (LIdeal‘𝑅)∀𝑏 ∈ (LIdeal‘𝑅)(∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 }))) |
| 80 | 8, 51 | isprmidl 21425 |
. . . . 5
⊢ (𝑅 ∈ Ring → ({ 0 } ∈
(PrmIdeal‘𝑅) ↔
({ 0 }
∈ (LIdeal‘𝑅)
∧ { 0
} ≠ 𝐵 ∧
∀𝑎 ∈
(LIdeal‘𝑅)∀𝑏 ∈ (LIdeal‘𝑅)(∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 }))))) |
| 81 | 1, 80 | syl 18 |
. . . 4
⊢ (𝑅 ∈ NzRing → ({ 0 } ∈
(PrmIdeal‘𝑅) ↔
({ 0 }
∈ (LIdeal‘𝑅)
∧ { 0
} ≠ 𝐵 ∧
∀𝑎 ∈
(LIdeal‘𝑅)∀𝑏 ∈ (LIdeal‘𝑅)(∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 }))))) |
| 82 | 81 | adantr 485 |
. . 3
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → ({ 0 } ∈
(PrmIdeal‘𝑅) ↔
({ 0 }
∈ (LIdeal‘𝑅)
∧ { 0
} ≠ 𝐵 ∧
∀𝑎 ∈
(LIdeal‘𝑅)∀𝑏 ∈ (LIdeal‘𝑅)(∀𝑥 ∈ 𝑎 ∀𝑦 ∈ 𝑏 (𝑥(.r‘𝑅)𝑦) ∈ { 0 } → (𝑎 ⊆ { 0 } ∨ 𝑏 ⊆ { 0 }))))) |
| 83 | 7, 11, 79, 82 | mpbir3and 1359 |
. 2
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → { 0 } ∈
(PrmIdeal‘𝑅)) |
| 84 | | eqid 2765 |
. . 3
⊢
(PrmIdeal‘𝑅) =
(PrmIdeal‘𝑅) |
| 85 | 4, 84 | isprmrng 48956 |
. 2
⊢ (𝑅 ∈ PrmRing ↔ (𝑅 ∈ Ring ∧ { 0 } ∈
(PrmIdeal‘𝑅))) |
| 86 | 2, 83, 85 | sylanbrc 594 |
1
⊢ ((𝑅 ∈ NzRing ∧ 𝑈 = {{ 0 }, 𝐵}) → 𝑅 ∈ PrmRing) |