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Theorem cnvct 6787
Description: If a set is dominated by  om, so is its converse. (Contributed by Thierry Arnoux, 29-Dec-2016.)
Assertion
Ref Expression
cnvct  |-  ( A  ~<_  om  ->  `' A  ~<_  om )

Proof of Theorem cnvct
StepHypRef Expression
1 relcnv 4989 . . . 4  |-  Rel  `' A
2 ctex 6731 . . . . 5  |-  ( A  ~<_  om  ->  A  e.  _V )
3 cnvexg 5148 . . . . 5  |-  ( A  e.  _V  ->  `' A  e.  _V )
42, 3syl 14 . . . 4  |-  ( A  ~<_  om  ->  `' A  e.  _V )
5 cnven 6786 . . . 4  |-  ( ( Rel  `' A  /\  `' A  e.  _V )  ->  `' A  ~~  `' `' A )
61, 4, 5sylancr 412 . . 3  |-  ( A  ~<_  om  ->  `' A  ~~  `' `' A )
7 cnvcnvss 5065 . . . 4  |-  `' `' A  C_  A
8 ssdomg 6756 . . . 4  |-  ( A  e.  _V  ->  ( `' `' A  C_  A  ->  `' `' A  ~<_  A )
)
92, 7, 8mpisyl 1439 . . 3  |-  ( A  ~<_  om  ->  `' `' A  ~<_  A )
10 endomtr 6768 . . 3  |-  ( ( `' A  ~~  `' `' A  /\  `' `' A  ~<_  A )  ->  `' A  ~<_  A )
116, 9, 10syl2anc 409 . 2  |-  ( A  ~<_  om  ->  `' A  ~<_  A )
12 domtr 6763 . 2  |-  ( ( `' A  ~<_  A  /\  A  ~<_  om )  ->  `' A  ~<_  om )
1311, 12mpancom 420 1  |-  ( A  ~<_  om  ->  `' A  ~<_  om )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2141   _Vcvv 2730    C_ wss 3121   class class class wbr 3989   omcom 4574   `'ccnv 4610   Rel wrel 4616    ~~ cen 6716    ~<_ cdom 6717
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 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-sep 4107  ax-pow 4160  ax-pr 4194  ax-un 4418
This theorem depends on definitions:  df-bi 116  df-3an 975  df-tru 1351  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ral 2453  df-rex 2454  df-v 2732  df-sbc 2956  df-un 3125  df-in 3127  df-ss 3134  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-br 3990  df-opab 4051  df-mpt 4052  df-id 4278  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-rn 4622  df-res 4623  df-ima 4624  df-iota 5160  df-fun 5200  df-fn 5201  df-f 5202  df-f1 5203  df-fo 5204  df-f1o 5205  df-fv 5206  df-1st 6119  df-2nd 6120  df-en 6719  df-dom 6720
This theorem is referenced by: (None)
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