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Theorem isose 5789
Description: An isomorphism preserves set-like relations. (Contributed by Mario Carneiro, 23-Jun-2015.)
Assertion
Ref Expression
isose  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( R Se  A  <->  S Se  B ) )

Proof of Theorem isose
Dummy variable  x is distinct from all other variables.
StepHypRef Expression
1 id 19 . . 3  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  H  Isom  R ,  S  ( A ,  B ) )
2 isof1o 5775 . . . 4  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  H : A -1-1-onto-> B
)
3 f1ofun 5434 . . . 4  |-  ( H : A -1-1-onto-> B  ->  Fun  H )
4 vex 2729 . . . . 5  |-  x  e. 
_V
54funimaex 5273 . . . 4  |-  ( Fun 
H  ->  ( H " x )  e.  _V )
62, 3, 53syl 17 . . 3  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( H "
x )  e.  _V )
71, 6isoselem 5788 . 2  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( R Se  A  ->  S Se  B ) )
8 isocnv 5779 . . 3  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  `' H  Isom  S ,  R  ( B ,  A ) )
9 isof1o 5775 . . . 4  |-  ( `' H  Isom  S ,  R  ( B ,  A )  ->  `' H : B -1-1-onto-> A )
10 f1ofun 5434 . . . 4  |-  ( `' H : B -1-1-onto-> A  ->  Fun  `' H )
114funimaex 5273 . . . 4  |-  ( Fun  `' H  ->  ( `' H " x )  e.  _V )
128, 9, 10, 114syl 18 . . 3  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( `' H " x )  e.  _V )
138, 12isoselem 5788 . 2  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( S Se  B  ->  R Se  A ) )
147, 13impbid 128 1  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( R Se  A  <->  S Se  B ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    <-> wb 104    e. wcel 2136   _Vcvv 2726   Se wse 4307   `'ccnv 4603   "cima 4607   Fun wfun 5182   -1-1-onto->wf1o 5187    Isom wiso 5189
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-14 2139  ax-ext 2147  ax-coll 4097  ax-sep 4100  ax-pow 4153  ax-pr 4187
This theorem depends on definitions:  df-bi 116  df-3an 970  df-tru 1346  df-nf 1449  df-sb 1751  df-eu 2017  df-mo 2018  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ral 2449  df-rex 2450  df-rab 2453  df-v 2728  df-sbc 2952  df-un 3120  df-in 3122  df-ss 3129  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-br 3983  df-opab 4044  df-mpt 4045  df-id 4271  df-se 4311  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-rn 4615  df-res 4616  df-ima 4617  df-iota 5153  df-fun 5190  df-fn 5191  df-f 5192  df-f1 5193  df-fo 5194  df-f1o 5195  df-fv 5196  df-isom 5197
This theorem is referenced by: (None)
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