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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 12992 |
. 2
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2 | grpmnd 12812 |
. . . 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 12996 |
. . . . 5
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6 | 5 | baib 919 |
. . . 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 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2739 df-un 3133 df-in 3135 df-sn 3598 df-pr 3599 df-op 3601 df-uni 3809 df-br 4002 df-iota 5175 df-fv 5221 df-ov 5873 df-grp 12808 df-cmn 12990 df-abl 12991 |
This theorem is referenced by: isabli 13003 |
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