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Theorem isose 5913
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 5899 . . . 4  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  H : A -1-1-onto-> B
)
3 f1ofun 5546 . . . 4  |-  ( H : A -1-1-onto-> B  ->  Fun  H )
4 vex 2779 . . . . 5  |-  x  e. 
_V
54funimaex 5378 . . . 4  |-  ( Fun 
H  ->  ( H " x )  e.  _V )
62, 3, 53syl 17 . . 3  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( H "
x )  e.  _V )
71, 6isoselem 5912 . 2  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( R Se  A  ->  S Se  B ) )
8 isocnv 5903 . . 3  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  `' H  Isom  S ,  R  ( B ,  A ) )
9 isof1o 5899 . . . 4  |-  ( `' H  Isom  S ,  R  ( B ,  A )  ->  `' H : B -1-1-onto-> A )
10 f1ofun 5546 . . . 4  |-  ( `' H : B -1-1-onto-> A  ->  Fun  `' H )
114funimaex 5378 . . . 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 5912 . 2  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( S Se  B  ->  R Se  A ) )
147, 13impbid 129 1  |-  ( H 
Isom  R ,  S  ( A ,  B )  ->  ( R Se  A  <->  S Se  B ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    <-> wb 105    e. wcel 2178   _Vcvv 2776   Se wse 4394   `'ccnv 4692   "cima 4696   Fun wfun 5284   -1-1-onto->wf1o 5289    Isom wiso 5291
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 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-14 2181  ax-ext 2189  ax-coll 4175  ax-sep 4178  ax-pow 4234  ax-pr 4269
This theorem depends on definitions:  df-bi 117  df-3an 983  df-tru 1376  df-nf 1485  df-sb 1787  df-eu 2058  df-mo 2059  df-clab 2194  df-cleq 2200  df-clel 2203  df-nfc 2339  df-ral 2491  df-rex 2492  df-rab 2495  df-v 2778  df-sbc 3006  df-un 3178  df-in 3180  df-ss 3187  df-pw 3628  df-sn 3649  df-pr 3650  df-op 3652  df-uni 3865  df-br 4060  df-opab 4122  df-mpt 4123  df-id 4358  df-se 4398  df-xp 4699  df-rel 4700  df-cnv 4701  df-co 4702  df-dm 4703  df-rn 4704  df-res 4705  df-ima 4706  df-iota 5251  df-fun 5292  df-fn 5293  df-f 5294  df-f1 5295  df-fo 5296  df-f1o 5297  df-fv 5298  df-isom 5299
This theorem is referenced by: (None)
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