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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 13541 | . . 3 ⊢ (𝜑 → 𝐺 ∈ Mnd) |
| 5 | isabld.c | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 + 𝑦) = (𝑦 + 𝑥)) | |
| 6 | 2, 3, 4, 5 | iscmnd 13830 | . 2 ⊢ (𝜑 → 𝐺 ∈ CMnd) |
| 7 | isabl 13820 | . 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 5317 (class class class)co 6000 Basecbs 13027 +gcplusg 13105 Grpcgrp 13528 CMndccmn 13816 Abelcabl 13817 |
| 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 2801 df-un 3201 df-in 3203 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3888 df-br 4083 df-iota 5277 df-fv 5325 df-ov 6003 df-grp 13531 df-cmn 13818 df-abl 13819 |
| This theorem is referenced by: subgabl 13864 ablressid 13867 ringabl 13990 lmodabl 14292 |
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