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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 14319 | . 2 ⊢ (𝜑 → 𝑅 ∈ Ring) |
| 13 | eqid 2238 | . . . . . 6 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 14 | eqid 2238 | . . . . . 6 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 15 | 13, 14 | mgpbasg 14200 | . . . . 5 ⊢ (𝑅 ∈ Ring → (Base‘𝑅) = (Base‘(mulGrp‘𝑅))) |
| 16 | 12, 15 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝑅) = (Base‘(mulGrp‘𝑅))) |
| 17 | 1, 16 | eqtrd 2271 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝑅))) |
| 18 | eqid 2238 | . . . . . 6 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 19 | 13, 18 | mgpplusgg 14198 | . . . . 5 ⊢ (𝑅 ∈ Ring → (.r‘𝑅) = (+g‘(mulGrp‘𝑅))) |
| 20 | 12, 19 | syl 14 | . . . 4 ⊢ (𝜑 → (.r‘𝑅) = (+g‘(mulGrp‘𝑅))) |
| 21 | 3, 20 | eqtrd 2271 | . . 3 ⊢ (𝜑 → · = (+g‘(mulGrp‘𝑅))) |
| 22 | 17, 21, 5, 6, 9, 10, 11 | ismndd 13727 | . . 3 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ Mnd) |
| 23 | iscrngd.c | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 · 𝑦) = (𝑦 · 𝑥)) | |
| 24 | 17, 21, 22, 23 | iscmnd 14078 | . 2 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ CMnd) |
| 25 | 13 | iscrng 14281 | . 2 ⊢ (𝑅 ∈ CRing ↔ (𝑅 ∈ Ring ∧ (mulGrp‘𝑅) ∈ CMnd)) |
| 26 | 12, 24, 25 | sylanbrc 421 | 1 ⊢ (𝜑 → 𝑅 ∈ CRing) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1009 = wceq 1402 ∈ wcel 2209 ‘cfv 5372 (class class class)co 6075 Basecbs 13330 +gcplusg 13408 .rcmulr 13409 Grpcgrp 13782 CMndccmn 14064 mulGrpcmgp 14194 Ringcrg 14274 CRingccrg 14275 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-addcom 8269 ax-addass 8271 ax-i2m1 8274 ax-0lt1 8275 ax-0id 8277 ax-rnegex 8278 ax-pre-ltirr 8281 ax-pre-ltadd 8285 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-iota 5332 df-fun 5374 df-fn 5375 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-pnf 8352 df-mnf 8353 df-ltxr 8355 df-inn 9284 df-2 9342 df-3 9343 df-ndx 13333 df-slot 13334 df-base 13336 df-sets 13337 df-plusg 13421 df-mulr 13422 df-mgm 13653 df-sgrp 13694 df-mnd 13707 df-cmn 14066 df-mgp 14195 df-ring 14276 df-cring 14277 |
| This theorem is referenced by: cncrng 14878 |
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