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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 2234 | . . . . . 6 ⊢ (mulGrp‘𝐾) = (mulGrp‘𝐾) | |
| 4 | eqid 2234 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 5 | 3, 4 | mgpbasg 14087 | . . . . 5 ⊢ (𝐾 ∈ 𝑉 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
| 6 | 2, 5 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
| 7 | 1, 6 | eqtrd 2267 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐾))) |
| 8 | rngidpropd.2 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) | |
| 9 | rngidpropdg.l | . . . . 5 ⊢ (𝜑 → 𝐿 ∈ 𝑊) | |
| 10 | eqid 2234 | . . . . . 6 ⊢ (mulGrp‘𝐿) = (mulGrp‘𝐿) | |
| 11 | eqid 2234 | . . . . . 6 ⊢ (Base‘𝐿) = (Base‘𝐿) | |
| 12 | 10, 11 | mgpbasg 14087 | . . . . 5 ⊢ (𝐿 ∈ 𝑊 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
| 13 | 9, 12 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
| 14 | 8, 13 | eqtrd 2267 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐿))) |
| 15 | 3 | mgpex 14086 | . . . 4 ⊢ (𝐾 ∈ 𝑉 → (mulGrp‘𝐾) ∈ V) |
| 16 | 2, 15 | syl 14 | . . 3 ⊢ (𝜑 → (mulGrp‘𝐾) ∈ V) |
| 17 | 10 | mgpex 14086 | . . . 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 2234 | . . . . . . 7 ⊢ (.r‘𝐾) = (.r‘𝐾) | |
| 21 | 3, 20 | mgpplusgg 14085 | . . . . . 6 ⊢ (𝐾 ∈ 𝑉 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
| 22 | 2, 21 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
| 23 | 22 | oveqdr 6080 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(+g‘(mulGrp‘𝐾))𝑦)) |
| 24 | eqid 2234 | . . . . . . 7 ⊢ (.r‘𝐿) = (.r‘𝐿) | |
| 25 | 10, 24 | mgpplusgg 14085 | . . . . . 6 ⊢ (𝐿 ∈ 𝑊 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
| 26 | 9, 25 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
| 27 | 26 | oveqdr 6080 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐿)𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 28 | 19, 23, 27 | 3eqtr3d 2275 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘(mulGrp‘𝐾))𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 29 | 7, 14, 16, 18, 28 | grpidpropdg 13604 | . 2 ⊢ (𝜑 → (0g‘(mulGrp‘𝐾)) = (0g‘(mulGrp‘𝐿))) |
| 30 | eqid 2234 | . . . 4 ⊢ (1r‘𝐾) = (1r‘𝐾) | |
| 31 | 3, 30 | ringidvalg 14122 | . . 3 ⊢ (𝐾 ∈ 𝑉 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
| 32 | 2, 31 | syl 14 | . 2 ⊢ (𝜑 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
| 33 | eqid 2234 | . . . 4 ⊢ (1r‘𝐿) = (1r‘𝐿) | |
| 34 | 10, 33 | ringidvalg 14122 | . . 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 2277 | 1 ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2205 Vcvv 2815 ‘cfv 5354 (class class class)co 6052 Basecbs 13229 +gcplusg 13307 .rcmulr 13308 0gc0g 13486 mulGrpcmgp 14081 1rcur 14120 |
| 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 2207 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-cnex 8220 ax-resscn 8221 ax-1cn 8222 ax-1re 8223 ax-icn 8224 ax-addcl 8225 ax-addrcl 8226 ax-mulcl 8227 ax-addcom 8229 ax-addass 8231 ax-i2m1 8234 ax-0lt1 8235 ax-0id 8237 ax-rnegex 8238 ax-pre-ltirr 8241 ax-pre-ltadd 8245 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-sbc 3045 df-csb 3141 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-nul 3511 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-fv 5362 df-riota 6005 df-ov 6055 df-oprab 6056 df-mpo 6057 df-pnf 8312 df-mnf 8313 df-ltxr 8315 df-inn 9240 df-2 9298 df-3 9299 df-ndx 13232 df-slot 13233 df-base 13235 df-sets 13236 df-plusg 13320 df-mulr 13321 df-0g 13488 df-mgp 14082 df-ur 14121 |
| This theorem is referenced by: unitpropdg 14310 subrgpropd 14415 lmodprop2d 14513 |
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