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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 13874 |
. 2
| |
| 2 | grpmnd 13589 |
. . . 4
| |
| 3 | iscmn.b |
. . . . . 6
| |
| 4 | iscmn.p |
. . . . . 6
| |
| 5 | 3, 4 | iscmn 13879 |
. . . . 5
|
| 6 | 5 | baib 926 |
. . . 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-un 3204 df-in 3206 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-iota 5286 df-fv 5334 df-ov 6020 df-grp 13585 df-cmn 13872 df-abl 13873 |
| This theorem is referenced by: isabli 13886 invghm 13915 imasabl 13922 |
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