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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 |
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iscmn.p |
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Ref | Expression |
---|---|
isabl2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isabl 13244 |
. 2
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2 | grpmnd 12967 |
. . . 4
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3 | iscmn.b |
. . . . . 6
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4 | iscmn.p |
. . . . . 6
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5 | 3, 4 | iscmn 13249 |
. . . . 5
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6 | 5 | baib 920 |
. . . 4
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7 | 2, 6 | syl 14 |
. . 3
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8 | 7 | pm5.32i 454 |
. 2
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9 | 1, 8 | bitri 184 |
1
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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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2171 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-rab 2477 df-v 2754 df-un 3148 df-in 3150 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-br 4019 df-iota 5196 df-fv 5243 df-ov 5900 df-grp 12963 df-cmn 13242 df-abl 13243 |
This theorem is referenced by: isabli 13256 imasabl 13290 |
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