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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 2238 | . . . . . 6 ⊢ (mulGrp‘𝐾) = (mulGrp‘𝐾) | |
| 4 | eqid 2238 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 5 | 3, 4 | mgpbasg 14224 | . . . . 5 ⊢ (𝐾 ∈ 𝑉 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
| 6 | 2, 5 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
| 7 | 1, 6 | eqtrd 2271 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐾))) |
| 8 | rngidpropd.2 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) | |
| 9 | rngidpropdg.l | . . . . 5 ⊢ (𝜑 → 𝐿 ∈ 𝑊) | |
| 10 | eqid 2238 | . . . . . 6 ⊢ (mulGrp‘𝐿) = (mulGrp‘𝐿) | |
| 11 | eqid 2238 | . . . . . 6 ⊢ (Base‘𝐿) = (Base‘𝐿) | |
| 12 | 10, 11 | mgpbasg 14224 | . . . . 5 ⊢ (𝐿 ∈ 𝑊 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
| 13 | 9, 12 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
| 14 | 8, 13 | eqtrd 2271 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐿))) |
| 15 | 3 | mgpex 14223 | . . . 4 ⊢ (𝐾 ∈ 𝑉 → (mulGrp‘𝐾) ∈ V) |
| 16 | 2, 15 | syl 14 | . . 3 ⊢ (𝜑 → (mulGrp‘𝐾) ∈ V) |
| 17 | 10 | mgpex 14223 | . . . 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 2238 | . . . . . . 7 ⊢ (.r‘𝐾) = (.r‘𝐾) | |
| 21 | 3, 20 | mgpplusgg 14221 | . . . . . 6 ⊢ (𝐾 ∈ 𝑉 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
| 22 | 2, 21 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
| 23 | 22 | oveqdr 6113 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(+g‘(mulGrp‘𝐾))𝑦)) |
| 24 | eqid 2238 | . . . . . . 7 ⊢ (.r‘𝐿) = (.r‘𝐿) | |
| 25 | 10, 24 | mgpplusgg 14221 | . . . . . 6 ⊢ (𝐿 ∈ 𝑊 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
| 26 | 9, 25 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
| 27 | 26 | oveqdr 6113 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐿)𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 28 | 19, 23, 27 | 3eqtr3d 2279 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘(mulGrp‘𝐾))𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 29 | 7, 14, 16, 18, 28 | grpidpropdg 13694 | . 2 ⊢ (𝜑 → (0g‘(mulGrp‘𝐾)) = (0g‘(mulGrp‘𝐿))) |
| 30 | eqid 2238 | . . . 4 ⊢ (1r‘𝐾) = (1r‘𝐾) | |
| 31 | 3, 30 | ringidvalg 14264 | . . 3 ⊢ (𝐾 ∈ 𝑉 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
| 32 | 2, 31 | syl 14 | . 2 ⊢ (𝜑 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
| 33 | eqid 2238 | . . . 4 ⊢ (1r‘𝐿) = (1r‘𝐿) | |
| 34 | 10, 33 | ringidvalg 14264 | . . 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 2281 | 1 ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 Vcvv 2821 ‘cfv 5377 (class class class)co 6085 Basecbs 13352 +gcplusg 13431 .rcmulr 13432 0gc0g 13610 mulGrpcmgp 14217 1rcur 14262 |
| This proof depends on 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 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-addass 8281 ax-i2m1 8284 ax-0lt1 8285 ax-0id 8287 ax-rnegex 8288 ax-pre-ltirr 8291 ax-pre-ltadd 8295 |
| This proof 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 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8362 df-mnf 8363 df-ltxr 8365 df-inn 9305 df-2 9363 df-3 9364 df-ndx 13355 df-slot 13356 df-base 13358 df-sets 13359 df-plusg 13444 df-mulr 13445 df-0g 13612 df-mgp 14218 df-ur 14263 |
| This theorem is used by: unitpropdg 14455 subrgpropd 14561 lmodprop2d 14685 |
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