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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 13864 |
. 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 13861 |
| This theorem is used by: grpcl 13866 grpass 13867 grpideu 13869 grpmndd 13871 grpplusf 13873 grpplusfo 13874 grpsgrp 13883 dfgrp2 13885 grpidcl 13887 grplid 13889 grprid 13890 dfgrp3m 13957 mulgaddcom 14002 mulginvcom 14003 mulgz 14006 mulgneg2 14012 mulgass 14015 issubg3 14048 grpissubg 14050 0subg 14055 ghmex 14111 0ghm 14114 cntzsubg 14165 isabl2 14181 prdsgrpd 14281 prdsinvgd 14282 |
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