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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 2193 | . . . . . 6 ⊢ (mulGrp‘𝐾) = (mulGrp‘𝐾) | |
4 | eqid 2193 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
5 | 3, 4 | mgpbasg 13422 | . . . . 5 ⊢ (𝐾 ∈ 𝑉 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
6 | 2, 5 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐾) = (Base‘(mulGrp‘𝐾))) |
7 | 1, 6 | eqtrd 2226 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐾))) |
8 | rngidpropd.2 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐿)) | |
9 | rngidpropdg.l | . . . . 5 ⊢ (𝜑 → 𝐿 ∈ 𝑊) | |
10 | eqid 2193 | . . . . . 6 ⊢ (mulGrp‘𝐿) = (mulGrp‘𝐿) | |
11 | eqid 2193 | . . . . . 6 ⊢ (Base‘𝐿) = (Base‘𝐿) | |
12 | 10, 11 | mgpbasg 13422 | . . . . 5 ⊢ (𝐿 ∈ 𝑊 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
13 | 9, 12 | syl 14 | . . . 4 ⊢ (𝜑 → (Base‘𝐿) = (Base‘(mulGrp‘𝐿))) |
14 | 8, 13 | eqtrd 2226 | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘(mulGrp‘𝐿))) |
15 | 3 | mgpex 13421 | . . . 4 ⊢ (𝐾 ∈ 𝑉 → (mulGrp‘𝐾) ∈ V) |
16 | 2, 15 | syl 14 | . . 3 ⊢ (𝜑 → (mulGrp‘𝐾) ∈ V) |
17 | 10 | mgpex 13421 | . . . 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 2193 | . . . . . . 7 ⊢ (.r‘𝐾) = (.r‘𝐾) | |
21 | 3, 20 | mgpplusgg 13420 | . . . . . 6 ⊢ (𝐾 ∈ 𝑉 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
22 | 2, 21 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐾) = (+g‘(mulGrp‘𝐾))) |
23 | 22 | oveqdr 5946 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(+g‘(mulGrp‘𝐾))𝑦)) |
24 | eqid 2193 | . . . . . . 7 ⊢ (.r‘𝐿) = (.r‘𝐿) | |
25 | 10, 24 | mgpplusgg 13420 | . . . . . 6 ⊢ (𝐿 ∈ 𝑊 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
26 | 9, 25 | syl 14 | . . . . 5 ⊢ (𝜑 → (.r‘𝐿) = (+g‘(mulGrp‘𝐿))) |
27 | 26 | oveqdr 5946 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐿)𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
28 | 19, 23, 27 | 3eqtr3d 2234 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘(mulGrp‘𝐾))𝑦) = (𝑥(+g‘(mulGrp‘𝐿))𝑦)) |
29 | 7, 14, 16, 18, 28 | grpidpropdg 12957 | . 2 ⊢ (𝜑 → (0g‘(mulGrp‘𝐾)) = (0g‘(mulGrp‘𝐿))) |
30 | eqid 2193 | . . . 4 ⊢ (1r‘𝐾) = (1r‘𝐾) | |
31 | 3, 30 | ringidvalg 13457 | . . 3 ⊢ (𝐾 ∈ 𝑉 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
32 | 2, 31 | syl 14 | . 2 ⊢ (𝜑 → (1r‘𝐾) = (0g‘(mulGrp‘𝐾))) |
33 | eqid 2193 | . . . 4 ⊢ (1r‘𝐿) = (1r‘𝐿) | |
34 | 10, 33 | ringidvalg 13457 | . . 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 2236 | 1 ⊢ (𝜑 → (1r‘𝐾) = (1r‘𝐿)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 104 = wceq 1364 ∈ wcel 2164 Vcvv 2760 ‘cfv 5254 (class class class)co 5918 Basecbs 12618 +gcplusg 12695 .rcmulr 12696 0gc0g 12867 mulGrpcmgp 13416 1rcur 13455 |
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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-cnex 7963 ax-resscn 7964 ax-1cn 7965 ax-1re 7966 ax-icn 7967 ax-addcl 7968 ax-addrcl 7969 ax-mulcl 7970 ax-addcom 7972 ax-addass 7974 ax-i2m1 7977 ax-0lt1 7978 ax-0id 7980 ax-rnegex 7981 ax-pre-ltirr 7984 ax-pre-ltadd 7988 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-sbc 2986 df-csb 3081 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-nul 3447 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-int 3871 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 df-iota 5215 df-fun 5256 df-fn 5257 df-fv 5262 df-riota 5873 df-ov 5921 df-oprab 5922 df-mpo 5923 df-pnf 8056 df-mnf 8057 df-ltxr 8059 df-inn 8983 df-2 9041 df-3 9042 df-ndx 12621 df-slot 12622 df-base 12624 df-sets 12625 df-plusg 12708 df-mulr 12709 df-0g 12869 df-mgp 13417 df-ur 13456 |
This theorem is referenced by: unitpropdg 13644 subrgpropd 13749 lmodprop2d 13844 |
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