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| Mirrors > Home > ILE Home > Th. List > iscrngd | GIF version | ||
| Description: Properties that determine a commutative ring. (Contributed by Mario Carneiro, 7-Jan-2015.) |
| Ref | Expression |
|---|---|
| isringd.b | ⊢ (𝜑 → 𝐵 = (Base‘𝑅)) |
| isringd.p | ⊢ (𝜑 → + = (+g‘𝑅)) |
| isringd.t | ⊢ (𝜑 → · = (.r‘𝑅)) |
| isringd.g | ⊢ (𝜑 → 𝑅 ∈ Grp) |
| isringd.c | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 · 𝑦) ∈ 𝐵) |
| isringd.a | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑥 · 𝑦) · 𝑧) = (𝑥 · (𝑦 · 𝑧))) |
| isringd.d | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥 · (𝑦 + 𝑧)) = ((𝑥 · 𝑦) + (𝑥 · 𝑧))) |
| isringd.e | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑥 + 𝑦) · 𝑧) = ((𝑥 · 𝑧) + (𝑦 · 𝑧))) |
| isringd.u | ⊢ (𝜑 → 1 ∈ 𝐵) |
| isringd.i | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ( 1 · 𝑥) = 𝑥) |
| isringd.h | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑥 · 1 ) = 𝑥) |
| iscrngd.c | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 · 𝑦) = (𝑦 · 𝑥)) |
| Ref | Expression |
|---|---|
| iscrngd | ⊢ (𝜑 → 𝑅 ∈ CRing) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isringd.b | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘𝑅)) | |
| 2 | isringd.p | . . 3 ⊢ (𝜑 → + = (+g‘𝑅)) | |
| 3 | isringd.t | . . 3 ⊢ (𝜑 → · = (.r‘𝑅)) | |
| 4 | isringd.g | . . 3 ⊢ (𝜑 → 𝑅 ∈ Grp) | |
| 5 | isringd.c | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 · 𝑦) ∈ 𝐵) | |
| 6 | isringd.a | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑥 · 𝑦) · 𝑧) = (𝑥 · (𝑦 · 𝑧))) | |
| 7 | isringd.d | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → (𝑥 · (𝑦 + 𝑧)) = ((𝑥 · 𝑦) + (𝑥 · 𝑧))) | |
| 8 | isringd.e | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑥 + 𝑦) · 𝑧) = ((𝑥 · 𝑧) + (𝑦 · 𝑧))) | |
| 9 | isringd.u | . . 3 ⊢ (𝜑 → 1 ∈ 𝐵) | |
| 10 | isringd.i | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → ( 1 · 𝑥) = 𝑥) | |
| 11 | isringd.h | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵) → (𝑥 · 1 ) = 𝑥) | |
| 12 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 | isringd 14020 | . 2 ⊢ (𝜑 → 𝑅 ∈ Ring) |
| 13 | eqid 2229 | . . . . . 6 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 14 | eqid 2229 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 15 | 13, 14 | mgpbasg 13905 | . . . . 5 ⊢ (𝑅 ∈ Ring → (Base‘𝑅) = (Base‘(mulGrp‘𝑅))) |
| 16 | 12, 15 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝑅) = (Base‘(mulGrp‘𝑅))) |
| 17 | 1, 16 | eqtrd 2262 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝑅))) |
| 18 | eqid 2229 | . . . . . 6 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 19 | 13, 18 | mgpplusgg 13903 | . . . . 5 ⊢ (𝑅 ∈ Ring → (.r‘𝑅) = (+g‘(mulGrp‘𝑅))) |
| 20 | 12, 19 | syl 14 | . . . 4 ⊢ (𝜑 → (.r‘𝑅) = (+g‘(mulGrp‘𝑅))) |
| 21 | 3, 20 | eqtrd 2262 | . . 3 ⊢ (𝜑 → · = (+g‘(mulGrp‘𝑅))) |
| 22 | 17, 21, 5, 6, 9, 10, 11 | ismndd 13486 | . . 3 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ Mnd) |
| 23 | iscrngd.c | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 · 𝑦) = (𝑦 · 𝑥)) | |
| 24 | 17, 21, 22, 23 | iscmnd 13851 | . 2 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ CMnd) |
| 25 | 13 | iscrng 13982 | . 2 ⊢ (𝑅 ∈ CRing ↔ (𝑅 ∈ Ring ∧ (mulGrp‘𝑅) ∈ CMnd)) |
| 26 | 12, 24, 25 | sylanbrc 417 | 1 ⊢ (𝜑 → 𝑅 ∈ CRing) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1002 = wceq 1395 ∈ wcel 2200 ‘cfv 5318 (class class class)co 6007 Basecbs 13048 +gcplusg 13126 .rcmulr 13127 Grpcgrp 13549 CMndccmn 13837 mulGrpcmgp 13899 Ringcrg 13975 CRingccrg 13976 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-addcom 8110 ax-addass 8112 ax-i2m1 8115 ax-0lt1 8116 ax-0id 8118 ax-rnegex 8119 ax-pre-ltirr 8122 ax-pre-ltadd 8126 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-iota 5278 df-fun 5320 df-fn 5321 df-fv 5326 df-ov 6010 df-oprab 6011 df-mpo 6012 df-pnf 8194 df-mnf 8195 df-ltxr 8197 df-inn 9122 df-2 9180 df-3 9181 df-ndx 13051 df-slot 13052 df-base 13054 df-sets 13055 df-plusg 13139 df-mulr 13140 df-mgm 13405 df-sgrp 13451 df-mnd 13466 df-cmn 13839 df-mgp 13900 df-ring 13977 df-cring 13978 |
| This theorem is referenced by: cncrng 14549 |
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