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Theorem grpinvhmeo 21890
Description: The inverse function in a topological group is a homeomorphism from the group to itself. (Contributed by Mario Carneiro, 14-Aug-2015.)
Hypotheses
Ref Expression
tgpcn.j  |-  J  =  ( TopOpen `  G )
tgpinv.5  |-  I  =  ( invg `  G )
Assertion
Ref Expression
grpinvhmeo  |-  ( G  e.  TopGrp  ->  I  e.  ( J Homeo J ) )

Proof of Theorem grpinvhmeo
StepHypRef Expression
1 tgpcn.j . . 3  |-  J  =  ( TopOpen `  G )
2 tgpinv.5 . . 3  |-  I  =  ( invg `  G )
31, 2tgpinv 21889 . 2  |-  ( G  e.  TopGrp  ->  I  e.  ( J  Cn  J ) )
4 tgpgrp 21882 . . . 4  |-  ( G  e.  TopGrp  ->  G  e.  Grp )
5 eqid 2622 . . . . 5  |-  ( Base `  G )  =  (
Base `  G )
65, 2grpinvcnv 17483 . . . 4  |-  ( G  e.  Grp  ->  `' I  =  I )
74, 6syl 17 . . 3  |-  ( G  e.  TopGrp  ->  `' I  =  I )
87, 3eqeltrd 2701 . 2  |-  ( G  e.  TopGrp  ->  `' I  e.  ( J  Cn  J
) )
9 ishmeo 21562 . 2  |-  ( I  e.  ( J Homeo J )  <->  ( I  e.  ( J  Cn  J
)  /\  `' I  e.  ( J  Cn  J
) ) )
103, 8, 9sylanbrc 698 1  |-  ( G  e.  TopGrp  ->  I  e.  ( J Homeo J ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    = wceq 1483    e. wcel 1990   `'ccnv 5113   ` cfv 5888  (class class class)co 6650   Basecbs 15857   TopOpenctopn 16082   Grpcgrp 17422   invgcminusg 17423    Cn ccn 21028   Homeochmeo 21556   TopGrpctgp 21875
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-map 7859  df-0g 16102  df-mgm 17242  df-sgrp 17284  df-mnd 17295  df-grp 17425  df-minusg 17426  df-top 20699  df-topon 20716  df-cn 21031  df-hmeo 21558  df-tgp 21877
This theorem is referenced by:  tgpconncomp  21916  tsmsxplem1  21956
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