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| Mirrors > Home > ILE Home > Th. List > isabl2 | Unicode version | ||
| Description: The predicate "is an Abelian (commutative) group". (Contributed by NM, 17-Oct-2011.) (Revised by Mario Carneiro, 6-Jan-2015.) |
| Ref | Expression |
|---|---|
| iscmn.b |
|
| iscmn.p |
|
| Ref | Expression |
|---|---|
| isabl2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isabl 13709 |
. 2
| |
| 2 | grpmnd 13424 |
. . . 4
| |
| 3 | iscmn.b |
. . . . . 6
| |
| 4 | iscmn.p |
. . . . . 6
| |
| 5 | 3, 4 | iscmn 13714 |
. . . . 5
|
| 6 | 5 | baib 921 |
. . . 4
|
| 7 | 2, 6 | syl 14 |
. . 3
|
| 8 | 7 | pm5.32i 454 |
. 2
|
| 9 | 1, 8 | bitri 184 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2188 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ral 2490 df-rex 2491 df-rab 2494 df-v 2775 df-un 3174 df-in 3176 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3860 df-br 4055 df-iota 5246 df-fv 5293 df-ov 5965 df-grp 13420 df-cmn 13707 df-abl 13708 |
| This theorem is referenced by: isabli 13721 invghm 13750 imasabl 13757 |
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