ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  rnxpm Unicode version

Theorem rnxpm 5173
Description: The range of a cross product. Part of Theorem 3.13(x) of [Monk1] p. 37, with nonempty changed to inhabited. (Contributed by Jim Kingdon, 12-Dec-2018.)
Assertion
Ref Expression
rnxpm  |-  ( E. x  x  e.  A  ->  ran  ( A  X.  B )  =  B )
Distinct variable group:    x, A
Allowed substitution hint:    B( x)

Proof of Theorem rnxpm
StepHypRef Expression
1 df-rn 4742 . . 3  |-  ran  ( A  X.  B )  =  dom  `' ( A  X.  B )
2 cnvxp 5162 . . . 4  |-  `' ( A  X.  B )  =  ( B  X.  A )
32dmeqi 4938 . . 3  |-  dom  `' ( A  X.  B
)  =  dom  ( B  X.  A )
41, 3eqtri 2252 . 2  |-  ran  ( A  X.  B )  =  dom  ( B  X.  A )
5 dmxpm 4958 . 2  |-  ( E. x  x  e.  A  ->  dom  ( B  X.  A )  =  B )
64, 5eqtrid 2276 1  |-  ( E. x  x  e.  A  ->  ran  ( A  X.  B )  =  B )
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1398   E.wex 1541    e. wcel 2202    X. cxp 4729   `'ccnv 4730   dom cdm 4731   ran crn 4732
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2205  ax-ext 2213  ax-sep 4212  ax-pow 4270  ax-pr 4305
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ral 2516  df-rex 2517  df-v 2805  df-un 3205  df-in 3207  df-ss 3214  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-br 4094  df-opab 4156  df-xp 4737  df-rel 4738  df-cnv 4739  df-dm 4741  df-rn 4742
This theorem is referenced by:  ssxpbm  5179  ssxp2  5181  xpexr2m  5185  xpima2m  5191  unixpm  5279  djuexb  7286  exmidfodomrlemim  7455  elply2  15529
  Copyright terms: Public domain W3C validator