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| Mirrors > Home > MPE Home > Th. List > iscrngd | Structured version Visualization version 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 20374 | . 2 ⊢ (𝜑 → 𝑅 ∈ Ring) |
| 13 | eqid 2769 | . . . . 5 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
| 14 | eqid 2769 | . . . . 5 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 15 | 13, 14 | mgpbas 20221 | . . . 4 ⊢ (Base‘𝑅) = (Base‘(mulGrp‘𝑅)) |
| 16 | 1, 15 | eqtrdi 2820 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝑅))) |
| 17 | eqid 2769 | . . . . 5 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 18 | 13, 17 | mgpplusg 20220 | . . . 4 ⊢ (.r‘𝑅) = (+g‘(mulGrp‘𝑅)) |
| 19 | 3, 18 | eqtrdi 2820 | . . 3 ⊢ (𝜑 → · = (+g‘(mulGrp‘𝑅))) |
| 20 | 16, 19, 5, 6, 9, 10, 11 | ismndd 18814 | . . 3 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ Mnd) |
| 21 | iscrngd.c | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 · 𝑦) = (𝑦 · 𝑥)) | |
| 22 | 16, 19, 20, 21 | iscmnd 19864 | . 2 ⊢ (𝜑 → (mulGrp‘𝑅) ∈ CMnd) |
| 23 | 13 | iscrng 20322 | . 2 ⊢ (𝑅 ∈ CRing ↔ (𝑅 ∈ Ring ∧ (mulGrp‘𝑅) ∈ CMnd)) |
| 24 | 12, 22, 23 | sylanbrc 594 | 1 ⊢ (𝜑 → 𝑅 ∈ CRing) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1101 = wceq 1567 ∈ wcel 2149 ‘cfv 6537 (class class class)co 7411 Basecbs 17269 +gcplusg 17310 .rcmulr 17311 Grpcgrp 19000 CMndccmn 19850 mulGrpcmgp 20216 Ringcrg 20315 CRingccrg 20316 |
| 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-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 |
| 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-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-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 7863 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-nn 12234 df-2 12303 df-sets 17224 df-slot 17242 df-ndx 17254 df-base 17270 df-plusg 17323 df-mgm 18698 df-sgrp 18777 df-mnd 18793 df-cmn 19852 df-mgp 20217 df-ring 20317 df-cring 20318 |
| This theorem is referenced by: cncrng 21512 rloccring 33532 |
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