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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 13860 |
. 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 4131 df-iota 5337 df-fv 5385 df-ov 6088 df-grp 13857 |
| This theorem is used by: grpcl 13862 grpass 13863 grpideu 13865 grpmndd 13867 grpplusf 13869 grpplusfo 13870 grpsgrp 13879 dfgrp2 13881 grpidcl 13883 grplid 13885 grprid 13886 dfgrp3m 13953 mulgaddcom 13998 mulginvcom 13999 mulgz 14002 mulgneg2 14008 mulgass 14011 issubg3 14044 grpissubg 14046 0subg 14051 ghmex 14107 0ghm 14110 isabl2 14146 prdsgrpd 14246 prdsinvgd 14247 |
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