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Mirrors > Home > ILE Home > Th. List > isabl | Unicode version |
Description: The predicate "is an Abelian (commutative) group". (Contributed by NM, 17-Oct-2011.) |
Ref | Expression |
---|---|
isabl | CMnd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-abl 12887 | . 2 CMnd | |
2 | 1 | elin2 3321 | 1 CMnd |
Colors of variables: wff set class |
Syntax hints: wa 104 wb 105 wcel 2146 cgrp 12738 CMndccmn 12884 cabl 12885 |
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 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-ext 2157 |
This theorem depends on definitions: df-bi 117 df-tru 1356 df-nf 1459 df-sb 1761 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-v 2737 df-in 3133 df-abl 12887 |
This theorem is referenced by: ablgrp 12889 ablcmn 12891 isabl2 12893 ablpropd 12895 isabld 12898 |
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