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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 2196 | . . . . . 6 ⊢ (mulGrp‘𝐾) = (mulGrp‘𝐾) | |
| 4 | eqid 2196 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 5 | 3, 4 | mgpbasg 13558 | . . . . 5 ⊢ (𝐾 ∈ 𝑉 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
| 6 | 2, 5 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
| 7 | 1, 6 | eqtrd 2229 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐾))) |
| 8 | rngidpropd.2 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) | |
| 9 | rngidpropdg.l | . . . . 5 ⊢ (𝜑 → 𝐿 ∈ 𝑊) | |
| 10 | eqid 2196 | . . . . . 6 ⊢ (mulGrp‘𝐿) = (mulGrp‘𝐿) | |
| 11 | eqid 2196 | . . . . . 6 ⊢ (Base‘𝐿) = (Base‘𝐿) | |
| 12 | 10, 11 | mgpbasg 13558 | . . . . 5 ⊢ (𝐿 ∈ 𝑊 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
| 13 | 9, 12 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
| 14 | 8, 13 | eqtrd 2229 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐿))) |
| 15 | 3 | mgpex 13557 | . . . 4 ⊢ (𝐾 ∈ 𝑉 → (mulGrp‘𝐾) ∈ V) |
| 16 | 2, 15 | syl 14 | . . 3 ⊢ (𝜑 → (mulGrp‘𝐾) ∈ V) |
| 17 | 10 | mgpex 13557 | . . . 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 2196 | . . . . . . 7 ⊢ (.r‘𝐾) = (.r‘𝐾) | |
| 21 | 3, 20 | mgpplusgg 13556 | . . . . . 6 ⊢ (𝐾 ∈ 𝑉 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
| 22 | 2, 21 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
| 23 | 22 | oveqdr 5953 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(+g‘(mulGrp‘𝐾))𝑦)) |
| 24 | eqid 2196 | . . . . . . 7 ⊢ (.r‘𝐿) = (.r‘𝐿) | |
| 25 | 10, 24 | mgpplusgg 13556 | . . . . . 6 ⊢ (𝐿 ∈ 𝑊 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
| 26 | 9, 25 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
| 27 | 26 | oveqdr 5953 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐿)𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 28 | 19, 23, 27 | 3eqtr3d 2237 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘(mulGrp‘𝐾))𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 29 | 7, 14, 16, 18, 28 | grpidpropdg 13076 | . 2 ⊢ (𝜑 → (0g‘(mulGrp‘𝐾)) = (0g‘(mulGrp‘𝐿))) |
| 30 | eqid 2196 | . . . 4 ⊢ (1r‘𝐾) = (1r‘𝐾) | |
| 31 | 3, 30 | ringidvalg 13593 | . . 3 ⊢ (𝐾 ∈ 𝑉 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
| 32 | 2, 31 | syl 14 | . 2 ⊢ (𝜑 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
| 33 | eqid 2196 | . . . 4 ⊢ (1r‘𝐿) = (1r‘𝐿) | |
| 34 | 10, 33 | ringidvalg 13593 | . . 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 2239 | 1 ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1364 ∈ wcel 2167 Vcvv 2763 ‘cfv 5259 (class class class)co 5925 Basecbs 12703 +gcplusg 12780 .rcmulr 12781 0gc0g 12958 mulGrpcmgp 13552 1rcur 13591 |
| 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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 ax-un 4469 ax-setind 4574 ax-cnex 7987 ax-resscn 7988 ax-1cn 7989 ax-1re 7990 ax-icn 7991 ax-addcl 7992 ax-addrcl 7993 ax-mulcl 7994 ax-addcom 7996 ax-addass 7998 ax-i2m1 8001 ax-0lt1 8002 ax-0id 8004 ax-rnegex 8005 ax-pre-ltirr 8008 ax-pre-ltadd 8012 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-nel 2463 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3452 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-int 3876 df-br 4035 df-opab 4096 df-mpt 4097 df-id 4329 df-xp 4670 df-rel 4671 df-cnv 4672 df-co 4673 df-dm 4674 df-rn 4675 df-res 4676 df-ima 4677 df-iota 5220 df-fun 5261 df-fn 5262 df-fv 5267 df-riota 5880 df-ov 5928 df-oprab 5929 df-mpo 5930 df-pnf 8080 df-mnf 8081 df-ltxr 8083 df-inn 9008 df-2 9066 df-3 9067 df-ndx 12706 df-slot 12707 df-base 12709 df-sets 12710 df-plusg 12793 df-mulr 12794 df-0g 12960 df-mgp 13553 df-ur 13592 |
| This theorem is referenced by: unitpropdg 13780 subrgpropd 13885 lmodprop2d 13980 |
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