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| Mirrors > Home > ILE Home > Th. List > grprid | Unicode version | ||
| Description: The identity element of a group is a right identity. (Contributed by NM, 18-Aug-2011.) |
| Ref | Expression |
|---|---|
| grpbn0.b |
|
| grplid.p |
|
| grplid.o |
|
| Ref | Expression |
|---|---|
| grprid |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpmnd 13871 |
. 2
| |
| 2 | grpbn0.b |
. . 3
| |
| 3 | grplid.p |
. . 3
| |
| 4 | grplid.o |
. . 3
| |
| 5 | 2, 3, 4 | mndrid 13808 |
. 2
|
| 6 | 1, 5 | sylan 283 |
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-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-cnex 8276 ax-resscn 8277 ax-1re 8279 ax-addrcl 8282 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-iota 5340 df-fun 5382 df-fn 5383 df-fv 5388 df-riota 6041 df-ov 6091 df-inn 9314 df-2 9372 df-ndx 13413 df-slot 13414 df-base 13416 df-plusg 13503 df-0g 13671 df-mgm 13735 df-sgrp 13776 df-mnd 13789 df-grp 13867 |
| This theorem is used by: grpridd 13898 grprcan 13901 grpinvid1 13916 grpinvid2 13917 grpidinv2 13922 grpasscan2 13928 grpidrcan 13929 grpsubid1 13949 grpsubadd 13952 grppncan 13955 mulgaddcom 14008 mulgdirlem 14015 mulgmodid 14023 nmzsubg 14072 0nsg 14076 cntzsubg 14171 abladdsub4 14208 rnglz 14351 ringlz 14455 lmod0vrid 14765 lmodfopne 14772 |
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