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Theorem rnxpm 5220
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 4787 . . 3  |-  ran  ( A  X.  B )  =  dom  `' ( A  X.  B )
2 cnvxp 5209 . . . 4  |-  `' ( A  X.  B )  =  ( B  X.  A )
32dmeqi 4984 . . 3  |-  dom  `' ( A  X.  B
)  =  dom  ( B  X.  A )
41, 3eqtri 2259 . 2  |-  ran  ( A  X.  B )  =  dom  ( B  X.  A )
5 dmxpm 5004 . 2  |-  ( E. x  x  e.  A  ->  dom  ( B  X.  A )  =  B )
64, 5eqtrid 2283 1  |-  ( E. x  x  e.  A  ->  ran  ( A  X.  B )  =  B )
Colors of variables:    wff set class
This proof depends on syntax axioms:    -> wi 4    = wceq 1402   E.wex 1545    e. wcel 2209    X. cxp 4774   `'ccnv 4775   dom cdm 4776   ran crn 4777
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4251  ax-pow 4313  ax-pr 4348
This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-v 2823  df-un 3224  df-in 3226  df-ss 3233  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-br 4132  df-opab 4194  df-xp 4782  df-rel 4783  df-cnv 4784  df-dm 4786  df-rn 4787
This theorem is used by:  ssxpbm  5226  ssxp2  5228  xpexr2m  5232  xpima2m  5238  unixpm  5326  djuexb  7390  exmidfodomrlemim  7559  elply2  15961
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