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| Mirrors > Home > MPE Home > Th. List > rngidpropd | Structured version Visualization version 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)) |
| Ref | Expression |
|---|---|
| rngidpropd | ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rngidpropd.1 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐾)) | |
| 2 | eqid 2763 | . . . . 5 ⊢ (mulGrp‘𝐾) = (mulGrp‘𝐾) | |
| 3 | eqid 2763 | . . . . 5 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 4 | 2, 3 | mgpbas 20416 | . . . 4 ⊢ (Base‘𝐾) = (Base‘(mulGrp‘𝐾)) |
| 5 | 1, 4 | eqtrdi 2814 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐾))) |
| 6 | rngidpropd.2 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) | |
| 7 | eqid 2763 | . . . . 5 ⊢ (mulGrp‘𝐿) = (mulGrp‘𝐿) | |
| 8 | eqid 2763 | . . . . 5 ⊢ (Base‘𝐿) = (Base‘𝐿) | |
| 9 | 7, 8 | mgpbas 20416 | . . . 4 ⊢ (Base‘𝐿) = (Base‘(mulGrp‘𝐿)) |
| 10 | 6, 9 | eqtrdi 2814 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐿))) |
| 11 | rngidpropd.3 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦)) | |
| 12 | eqid 2763 | . . . . . 6 ⊢ (.r‘𝐾) = (.r‘𝐾) | |
| 13 | 2, 12 | mgpplusg 20415 | . . . . 5 ⊢ (.r‘𝐾) = (+g‘(mulGrp‘𝐾)) |
| 14 | 13 | oveqi 7464 | . . . 4 ⊢ (𝑥(.r‘𝐾)𝑦) = (𝑥(+g‘(mulGrp‘𝐾))𝑦) |
| 15 | eqid 2763 | . . . . . 6 ⊢ (.r‘𝐿) = (.r‘𝐿) | |
| 16 | 7, 15 | mgpplusg 20415 | . . . . 5 ⊢ (.r‘𝐿) = (+g‘(mulGrp‘𝐿)) |
| 17 | 16 | oveqi 7464 | . . . 4 ⊢ (𝑥(.r‘𝐿)𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦) |
| 18 | 11, 14, 17 | 3eqtr3g 2821 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘(mulGrp‘𝐾))𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
| 19 | 5, 10, 18 | grpidpropd 18892 | . 2 ⊢ (𝜑 → (0g‘(mulGrp‘𝐾)) = (0g‘(mulGrp‘𝐿))) |
| 20 | eqid 2763 | . . 3 ⊢ (1r‘𝐾) = (1r‘𝐾) | |
| 21 | 2, 20 | ringidval 20460 | . 2 ⊢ (1r‘𝐾) = (0g‘(mulGrp‘𝐾)) |
| 22 | eqid 2763 | . . 3 ⊢ (1r‘𝐿) = (1r‘𝐿) | |
| 23 | 7, 22 | ringidval 20460 | . 2 ⊢ (1r‘𝐿) = (0g‘(mulGrp‘𝐿)) |
| 24 | 19, 21, 23 | 3eqtr4g 2823 | 1 ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ‘cfv 6566 (class class class)co 7451 Basecbs 17431 +gcplusg 17472 .rcmulr 17473 0gc0g 17660 mulGrpcmgp 20411 1rcur 20458 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-2 12445 df-sets 17386 df-slot 17404 df-ndx 17416 df-base 17432 df-plusg 17486 df-0g 17662 df-mgp 20412 df-ur 20459 |
| This theorem is used by: unitpropd 20698 nzrpropd 20822 subrgpropd 20911 lmodprop2d 21250 opsr1 22592 ply1mpl1 22631 sra1r 34324 zlm1 34704 hlhils1N 43269 |
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