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| Mirrors > Home > ILE Home > Th. List > grpass | Unicode version | ||
| Description: A group operation is associative. (Contributed by NM, 14-Aug-2011.) |
| Ref | Expression |
|---|---|
| grpcl.b |
|
| grpcl.p |
|
| Ref | Expression |
|---|---|
| grpass |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpmnd 13595 |
. 2
| |
| 2 | grpcl.b |
. . 3
| |
| 3 | grpcl.p |
. . 3
| |
| 4 | 2, 3 | mndass 13512 |
. 2
|
| 5 | 1, 4 | sylan 283 |
1
|
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-cnex 8123 ax-resscn 8124 ax-1re 8126 ax-addrcl 8129 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-sbc 3032 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-iota 5286 df-fun 5328 df-fn 5329 df-fv 5334 df-ov 6021 df-inn 9144 df-2 9202 df-ndx 13090 df-slot 13091 df-base 13093 df-plusg 13178 df-sgrp 13490 df-mnd 13505 df-grp 13591 |
| This theorem is referenced by: grpassd 13600 grprcan 13625 grprinv 13639 grpinvid1 13640 grpinvid2 13641 grpressid 13649 grplcan 13650 grpasscan1 13651 grpasscan2 13652 grplmulf1o 13662 grpinvadd 13666 grpsubadd 13676 grpaddsubass 13678 grpsubsub4 13681 dfgrp3m 13687 grplactcnv 13690 imasgrp 13703 mulgaddcomlem 13737 mulgaddcom 13738 mulgdirlem 13745 issubg2m 13781 isnsg3 13799 nmzsubg 13802 ssnmz 13803 eqger 13816 eqgcpbl 13820 qusgrp 13824 conjghm 13868 conjnmz 13871 ringcom 14050 lmodass 14323 |
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