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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 13820 |
. 2
| |
| 2 | grpmnd 13535 |
. . . 4
| |
| 3 | iscmn.b |
. . . . . 6
| |
| 4 | iscmn.p |
. . . . . 6
| |
| 5 | 3, 4 | iscmn 13825 |
. . . . 5
|
| 6 | 5 | baib 924 |
. . . 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 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: isabli 13832 invghm 13861 imasabl 13868 |
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