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Theorem tposexg 6264
Description: The transposition of a set is a set. (Contributed by Mario Carneiro, 10-Sep-2015.)
Assertion
Ref Expression
tposexg  |-  ( F  e.  V  -> tpos  F  e. 
_V )

Proof of Theorem tposexg
StepHypRef Expression
1 tposssxp 6254 . 2  |- tpos  F  C_  ( ( `' dom  F  u.  { (/) } )  X.  ran  F )
2 dmexg 4955 . . . . 5  |-  ( F  e.  V  ->  dom  F  e.  _V )
3 cnvexg 5224 . . . . 5  |-  ( dom 
F  e.  _V  ->  `' dom  F  e.  _V )
42, 3syl 15 . . . 4  |-  ( F  e.  V  ->  `' dom  F  e.  _V )
5 snex 4232 . . . 4  |-  { (/) }  e.  _V
6 unexg 4537 . . . 4  |-  ( ( `' dom  F  e.  _V  /\ 
{ (/) }  e.  _V )  ->  ( `' dom  F  u.  { (/) } )  e.  _V )
74, 5, 6sylancl 643 . . 3  |-  ( F  e.  V  ->  ( `' dom  F  u.  { (/)
} )  e.  _V )
8 rnexg 4956 . . 3  |-  ( F  e.  V  ->  ran  F  e.  _V )
9 xpexg 4816 . . 3  |-  ( ( ( `' dom  F  u.  { (/) } )  e. 
_V  /\  ran  F  e. 
_V )  ->  (
( `' dom  F  u.  { (/) } )  X. 
ran  F )  e. 
_V )
107, 8, 9syl2anc 642 . 2  |-  ( F  e.  V  ->  (
( `' dom  F  u.  { (/) } )  X. 
ran  F )  e. 
_V )
11 ssexg 4176 . 2  |-  ( (tpos 
F  C_  ( ( `' dom  F  u.  { (/)
} )  X.  ran  F )  /\  ( ( `' dom  F  u.  { (/)
} )  X.  ran  F )  e.  _V )  -> tpos  F  e.  _V )
121, 10, 11sylancr 644 1  |-  ( F  e.  V  -> tpos  F  e. 
_V )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 1696   _Vcvv 2801    u. cun 3163    C_ wss 3165   (/)c0 3468   {csn 3653    X. cxp 4703   `'ccnv 4704   dom cdm 4705   ran crn 4706  tpos ctpos 6249
This theorem is referenced by:  tposex  6284
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1536  ax-5 1547  ax-17 1606  ax-9 1644  ax-8 1661  ax-13 1698  ax-14 1700  ax-6 1715  ax-7 1720  ax-11 1727  ax-12 1878  ax-ext 2277  ax-sep 4157  ax-nul 4165  ax-pow 4204  ax-pr 4230  ax-un 4528
This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3an 936  df-tru 1310  df-ex 1532  df-nf 1535  df-sb 1639  df-eu 2160  df-mo 2161  df-clab 2283  df-cleq 2289  df-clel 2292  df-nfc 2421  df-ne 2461  df-ral 2561  df-rex 2562  df-rab 2565  df-v 2803  df-dif 3168  df-un 3170  df-in 3172  df-ss 3179  df-nul 3469  df-if 3579  df-pw 3640  df-sn 3659  df-pr 3660  df-op 3662  df-uni 3844  df-br 4040  df-opab 4094  df-mpt 4095  df-xp 4711  df-rel 4712  df-cnv 4713  df-co 4714  df-dm 4715  df-rn 4716  df-res 4717  df-ima 4718  df-tpos 6250
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