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| Mirrors > Home > ILE Home > Th. List > grpmnd | Unicode version | ||
| Description: A group is a monoid. (Contributed by Mario Carneiro, 6-Jan-2015.) |
| Ref | Expression |
|---|---|
| grpmnd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2238 |
. . 3
| |
| 2 | eqid 2238 |
. . 3
| |
| 3 | eqid 2238 |
. . 3
| |
| 4 | 1, 2, 3 | isgrp 13870 |
. 2
|
| 5 | 4 | simplbi 274 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-iota 5340 df-fv 5388 df-ov 6091 df-grp 13867 |
| This theorem is used by: grpcl 13872 grpass 13873 grpideu 13875 grpmndd 13877 grpplusf 13879 grpplusfo 13880 grpsgrp 13889 dfgrp2 13891 grpidcl 13893 grplid 13895 grprid 13896 dfgrp3m 13963 mulgaddcom 14008 mulginvcom 14009 mulgz 14012 mulgneg2 14018 mulgass 14021 issubg3 14054 grpissubg 14056 0subg 14061 ghmex 14117 0ghm 14120 cntzsubg 14171 isabl2 14187 prdsgrpd 14304 prdsinvgd 14305 |
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