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Mirrors > Home > MPE Home > Th. List > isabld | Structured version Visualization version GIF version |
Description: Properties that determine an Abelian group. (Contributed by NM, 6-Aug-2013.) |
Ref | Expression |
---|---|
isabld.b | ⊢ (𝜑 → 𝐵 = (Base‘𝐺)) |
isabld.p | ⊢ (𝜑 → + = (+g‘𝐺)) |
isabld.g | ⊢ (𝜑 → 𝐺 ∈ Grp) |
isabld.c | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 + 𝑦) = (𝑦 + 𝑥)) |
Ref | Expression |
---|---|
isabld | ⊢ (𝜑 → 𝐺 ∈ Abel) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isabld.g | . 2 ⊢ (𝜑 → 𝐺 ∈ Grp) | |
2 | isabld.b | . . 3 ⊢ (𝜑 → 𝐵 = (Base‘𝐺)) | |
3 | isabld.p | . . 3 ⊢ (𝜑 → + = (+g‘𝐺)) | |
4 | grpmnd 18104 | . . . 4 ⊢ (𝐺 ∈ Grp → 𝐺 ∈ Mnd) | |
5 | 1, 4 | syl 17 | . . 3 ⊢ (𝜑 → 𝐺 ∈ Mnd) |
6 | isabld.c | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 + 𝑦) = (𝑦 + 𝑥)) | |
7 | 2, 3, 5, 6 | iscmnd 18913 | . 2 ⊢ (𝜑 → 𝐺 ∈ CMnd) |
8 | isabl 18904 | . 2 ⊢ (𝐺 ∈ Abel ↔ (𝐺 ∈ Grp ∧ 𝐺 ∈ CMnd)) | |
9 | 1, 7, 8 | sylanbrc 585 | 1 ⊢ (𝜑 → 𝐺 ∈ Abel) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1083 = wceq 1533 ∈ wcel 2110 ‘cfv 6350 (class class class)co 7150 Basecbs 16477 +gcplusg 16559 Mndcmnd 17905 Grpcgrp 18097 CMndccmn 18900 Abelcabl 18901 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3497 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4833 df-br 5060 df-iota 6309 df-fv 6358 df-ov 7153 df-grp 18100 df-cmn 18902 df-abl 18903 |
This theorem is referenced by: subgabl 18950 gex2abl 18965 cygabl 19004 cygablOLD 19005 ringabl 19324 lmodabl 19675 dchrabl 25824 tgrpabl 37881 erngdvlem2N 38119 erngdvlem2-rN 38127 |
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