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Unicode version

Theorem ltlga 14729
Description: A group operation is a left group action of the group on itself.
Assertion
Ref Expression
ltlga |- (G e. Grp -> <.G, G>. e. GrpAct)

Proof of Theorem ltlga
StepHypRef Expression
1 id 73 . . 3 |- (G e. Grp -> G e. Grp)
2 grpmnd 10393 . . . . 5 |- (G e. Grp -> G e. Mnd)
3 eqid 1884 . . . . . 6 |- ran G = ran G
43mndio 14719 . . . . 5 |- (G e. Mnd -> G:(ran G X. ran G)-->ran G)
5 grprndm 9334 . . . . . . . . 9 |- (G e. Grp -> ran G = dom dom G)
6 mndismgm 10388 . . . . . . . . . . 11 |- (G e. Mnd -> G e. Magma)
72, 6syl 12 . . . . . . . . . 10 |- (G e. Grp -> G e. Magma)
8 mgmrddd 14727 . . . . . . . . . 10 |- (G e. Magma -> ran dom G = dom dom G)
97, 8syl 12 . . . . . . . . 9 |- (G e. Grp -> ran dom G = dom dom G)
105, 9eqtr4d 1928 . . . . . . . 8 |- (G e. Grp -> ran G = ran dom G)
11 xpeq2 4017 . . . . . . . 8 |- (ran G = ran dom G -> (ran G X. ran G) = (ran G X. ran dom G))
1210, 11syl 12 . . . . . . 7 |- (G e. Grp -> (ran G X. ran G) = (ran G X. ran dom G))
13 feq23 4554 . . . . . . 7 |- (((ran G X. ran G) = (ran G X. ran dom G) /\ ran G = ran dom G) -> (G:(ran G X. ran G)-->ran G <-> G:(ran G X. ran dom G)-->ran dom G))
1412, 10, 13syl11anc 524 . . . . . 6 |- (G e. Grp -> (G:(ran G X. ran G)-->ran G <-> G:(ran G X. ran dom G)-->ran dom G))
1514biimpcd 172 . . . . 5 |- (G:(ran G X. ran G)-->ran G -> (G e. Grp -> G:(ran G X. ran dom G)-->ran dom G))
162, 4, 153syl 24 . . . 4 |- (G e. Grp -> (G e. Grp -> G:(ran G X. ran dom G)-->ran dom G))
1716pm2.43i 78 . . 3 |- (G e. Grp -> G:(ran G X. ran dom G)-->ran dom G)
189, 5eqtr4d 1928 . . . . . 6 |- (G e. Grp -> ran dom G = ran G)
1918eleq2d 1964 . . . . 5 |- (G e. Grp -> (x e. ran dom G <-> x e. ran G))
20 eqid 1884 . . . . . . . 8 |- (Id` G) = (Id` G)
213, 20grplid 9345 . . . . . . 7 |- ((G e. Grp /\ x e. ran G) -> ((Id`
G)Gx) = x)
223grpass 9327 . . . . . . . . . . . 12 |- ((G e. Grp /\ (y e. ran G /\ z e. ran G /\ x e. ran G)) -> ((yGz)Gx) = (yG(zGx)))
23223exp2 1086 . . . . . . . . . . 11 |- (G e. Grp -> (y e. ran G -> (z e. ran G -> (x e. ran G -> ((yGz)Gx) = (yG(zGx))))))
2423com23 36 . . . . . . . . . 10 |- (G e. Grp -> (z e. ran G -> (y e. ran G -> (x e. ran G -> ((yGz)Gx) = (yG(zGx))))))
2524com24 41 . . . . . . . . 9 |- (G e. Grp -> (x e. ran G -> (y e. ran G -> (z e. ran G -> ((yGz)Gx) = (yG(zGx))))))
2625imp4b 392 . . . . . . . 8 |- ((G e. Grp /\ x e. ran G) -> ((y e. ran G /\ z e. ran G) -> ((yGz)Gx) = (yG(zGx))))
2726r19.21aivv 2183 . . . . . . 7 |- ((G e. Grp /\ x e. ran G) -> A.y e. ran GA.z e. ran G((yGz)Gx) = (yG(zGx)))
2821, 27jca 310 . . . . . 6 |- ((G e. Grp /\ x e. ran G) -> (((Id` G)Gx) = x /\ A.y e. ran GA.z e. ran G((yGz)Gx) = (yG(zGx))))
2928ex 402 . . . . 5 |- (G e. Grp -> (x e. ran G -> (((Id` G)Gx) = x /\ A.y e. ran GA.z e. ran G((yGz)Gx) = (yG(zGx)))))
3019, 29sylbid 220 . . . 4 |- (G e. Grp -> (x e. ran dom G -> (((Id` G)Gx) = x /\ A.y e. ran GA.z e. ran G((yGz)Gx) = (yG(zGx)))))
3130r19.21aiv 2175 . . 3 |- (G e. Grp -> A.x e. ran dom G(((Id` G)Gx) = x /\ A.y e. ran GA.z e. ran G((yGz)Gx) = (yG(zGx))))
321, 17, 313jca 1050 . 2 |- (G e. Grp -> (G e. Grp /\ G:(ran G X. ran dom G)-->ran dom G /\ A.x e. ran dom G(((Id`
G)Gx) = x /\ A.y e. ran GA.z e. ran G((yGz)Gx) = (yG(zGx)))))
33 eqid 1884 . . 3 |- ran dom G = ran dom G
343, 33, 20isga 9450 . 2 |- (G e. Grp -> (<.G, G>. e. GrpAct <-> (G e. Grp /\ G:(ran G X. ran dom G)-->ran dom G /\ A.x e. ran dom G(((Id` G)Gx) = x /\ A.y e. ran GA.z e. ran G((yGz)Gx) = (yG(zGx))))))
3532, 34mpbird 213 1 |- (G e. Grp -> <.G, G>. e. GrpAct)
Colors of variables: wff set class
Syntax hints:   -> wi 3   <-> wb 163   /\ wa 240   /\ w3a 858   = wceq 1298   e. wcel 1300  A.wral 2105  <.cop 3046   X. cxp 3984  dom cdm 3986  ran crn 3987  -->wf 3994  ` cfv 3998  (class class class)co 4884  Grpcgr 9311  Idcgi 9312  GrpActcga 9447  Magmacmagm 10365  Mndcmnd 10384
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 1304  ax-gen 1305  ax-8 1306  ax-9 1307  ax-10 1308  ax-11 1309  ax-12 1310  ax-13 1311  ax-14 1312  ax-17 1317  ax-4 1319  ax-5o 1321  ax-6o 1324  ax-9o 1481  ax-10o 1500  ax-16 1580  ax-11o 1588  ax-ext 1865  ax-rep 3428  ax-sep 3438  ax-nul 3445  ax-pow 3481  ax-pr 3524  ax-un 3790
This theorem depends on definitions:  df-bi 164  df-or 241  df-an 242  df-3an 860  df-ex 1327  df-sb 1536  df-eu 1775  df-mo 1776  df-clab 1872  df-cleq 1877  df-clel 1880  df-ne 2019  df-ral 2109  df-rex 2110  df-reu 2111  df-rab 2112  df-v 2294  df-sbc 2454  df-csb 2541  df-dif 2597  df-un 2600  df-in 2603  df-ss 2605  df-nul 2876  df-if 2983  df-pw 3035  df-sn 3049  df-pr 3050  df-op 3053  df-uni 3178  df-br 3339  df-opab 3396  df-id 3586  df-xp 4000  df-rel 4001  df-cnv 4002  df-co 4003  df-dm 4004  df-rn 4005  df-res 4006  df-ima 4007  df-fun 4008  df-fn 4009  df-f 4010  df-f1 4011  df-fo 4012  df-f1o 4013  df-fv 4014  df-opr 4886  df-grp 9316  df-gid 9317  df-ga 9448  df-ass 10360  df-exid 10362  df-mgm 10366  df-sgr 10378  df-mnd 10385
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