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| Mirrors > Home > ILE Home > Th. List > isabld | 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 | 1 | grpmndd 13586 | . . 3 ⊢ (𝜑 → 𝐺 ∈ Mnd) |
| 5 | isabld.c | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 + 𝑦) = (𝑦 + 𝑥)) | |
| 6 | 2, 3, 4, 5 | iscmnd 13875 | . 2 ⊢ (𝜑 → 𝐺 ∈ CMnd) |
| 7 | isabl 13865 | . 2 ⊢ (𝐺 ∈ Abel ↔ (𝐺 ∈ Grp ∧ 𝐺 ∈ CMnd)) | |
| 8 | 1, 6, 7 | sylanbrc 417 | 1 ⊢ (𝜑 → 𝐺 ∈ Abel) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1002 = wceq 1395 ∈ wcel 2200 ‘cfv 5324 (class class class)co 6013 Basecbs 13072 +gcplusg 13150 Grpcgrp 13573 CMndccmn 13861 Abelcabl 13862 |
| 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-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-un 3202 df-in 3204 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-iota 5284 df-fv 5332 df-ov 6016 df-grp 13576 df-cmn 13863 df-abl 13864 |
| This theorem is referenced by: subgabl 13909 ablressid 13912 ringabl 14035 lmodabl 14338 |
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