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| Mirrors > Home > ILE Home > Th. List > rngidpropdg | GIF version | ||
| Description: The ring unity depends only on the ring's base set and multiplication operation. (Contributed by Mario Carneiro, 26-Dec-2014.) |
| Ref | Expression |
|---|---|
| rngidpropd.1 | ⊢ (𝜑 → 𝐵 = (Base‘𝐾)) |
| rngidpropd.2 | ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) |
| rngidpropd.3 | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦)) |
| rngidpropdg.k | ⊢ (𝜑 → 𝐾 ∈ 𝑉) |
| rngidpropdg.l | ⊢ (𝜑 → 𝐿 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| rngidpropdg | ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rngidpropd.1 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐾)) | |
| 2 | rngidpropdg.k | . . . . 5 ⊢ (𝜑 → 𝐾 ∈ 𝑉) | |
| 3 | eqid 2231 | . . . . . 6 ⊢ (mulGrp‘𝐾) = (mulGrp‘𝐾) | |
| 4 | eqid 2231 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 5 | 3, 4 | mgpbasg 14003 | . . . . 5 ⊢ (𝐾 ∈ 𝑉 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
| 6 | 2, 5 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
| 7 | 1, 6 | eqtrd 2264 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐾))) |
| 8 | rngidpropd.2 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) | |
| 9 | rngidpropdg.l | . . . . 5 ⊢ (𝜑 → 𝐿 ∈ 𝑊) | |
| 10 | eqid 2231 | . . . . . 6 ⊢ (mulGrp‘𝐿) = (mulGrp‘𝐿) | |
| 11 | eqid 2231 | . . . . . 6 ⊢ (Base‘𝐿) = (Base‘𝐿) | |
| 12 | 10, 11 | mgpbasg 14003 | . . . . 5 ⊢ (𝐿 ∈ 𝑊 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
| 13 | 9, 12 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
| 14 | 8, 13 | eqtrd 2264 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐿))) |
| 15 | 3 | mgpex 14002 | . . . 4 ⊢ (𝐾 ∈ 𝑉 → (mulGrp‘𝐾) ∈ V) |
| 16 | 2, 15 | syl 14 | . . 3 ⊢ (𝜑 → (mulGrp‘𝐾) ∈ V) |
| 17 | 10 | mgpex 14002 | . . . 4 ⊢ (𝐿 ∈ 𝑊 → (mulGrp‘𝐿) ∈ V) |
| 18 | 9, 17 | syl 14 | . . 3 ⊢ (𝜑 → (mulGrp‘𝐿) ∈ V) |
| 19 | rngidpropd.3 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦)) | |
| 20 | eqid 2231 | . . . . . . 7 ⊢ (.r‘𝐾) = (.r‘𝐾) | |
| 21 | 3, 20 | mgpplusgg 14001 | . . . . . 6 ⊢ (𝐾 ∈ 𝑉 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
| 22 | 2, 21 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
| 23 | 22 | oveqdr 6056 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(+g‘(mulGrp‘𝐾))𝑦)) |
| 24 | eqid 2231 | . . . . . . 7 ⊢ (.r‘𝐿) = (.r‘𝐿) | |
| 25 | 10, 24 | mgpplusgg 14001 | . . . . . 6 ⊢ (𝐿 ∈ 𝑊 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
| 26 | 9, 25 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
| 27 | 26 | oveqdr 6056 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐿)𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 28 | 19, 23, 27 | 3eqtr3d 2272 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘(mulGrp‘𝐾))𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 29 | 7, 14, 16, 18, 28 | grpidpropdg 13520 | . 2 ⊢ (𝜑 → (0g‘(mulGrp‘𝐾)) = (0g‘(mulGrp‘𝐿))) |
| 30 | eqid 2231 | . . . 4 ⊢ (1r‘𝐾) = (1r‘𝐾) | |
| 31 | 3, 30 | ringidvalg 14038 | . . 3 ⊢ (𝐾 ∈ 𝑉 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
| 32 | 2, 31 | syl 14 | . 2 ⊢ (𝜑 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
| 33 | eqid 2231 | . . . 4 ⊢ (1r‘𝐿) = (1r‘𝐿) | |
| 34 | 10, 33 | ringidvalg 14038 | . . 3 ⊢ (𝐿 ∈ 𝑊 → (1r‘𝐿) = (0g‘(mulGrp‘𝐿))) |
| 35 | 9, 34 | syl 14 | . 2 ⊢ (𝜑 → (1r‘𝐿) = (0g‘(mulGrp‘𝐿))) |
| 36 | 29, 32, 35 | 3eqtr4d 2274 | 1 ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2202 Vcvv 2803 ‘cfv 5333 (class class class)co 6028 Basecbs 13145 +gcplusg 13223 .rcmulr 13224 0gc0g 13402 mulGrpcmgp 13997 1rcur 14036 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-addcom 8175 ax-addass 8177 ax-i2m1 8180 ax-0lt1 8181 ax-0id 8183 ax-rnegex 8184 ax-pre-ltirr 8187 ax-pre-ltadd 8191 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-pnf 8258 df-mnf 8259 df-ltxr 8261 df-inn 9186 df-2 9244 df-3 9245 df-ndx 13148 df-slot 13149 df-base 13151 df-sets 13152 df-plusg 13236 df-mulr 13237 df-0g 13404 df-mgp 13998 df-ur 14037 |
| This theorem is referenced by: unitpropdg 14226 subrgpropd 14331 lmodprop2d 14427 |
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