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Theorem elrnmpt 4611
 Description: The range of a function in maps-to notation. (Contributed by Mario Carneiro, 20-Feb-2015.)
Hypothesis
Ref Expression
rnmpt.1
Assertion
Ref Expression
elrnmpt
Distinct variable group:   ,
Allowed substitution hints:   ()   ()   ()   ()

Proof of Theorem elrnmpt
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 eqeq1 2062 . . 3
21rexbidv 2344 . 2
3 rnmpt.1 . . 3
43rnmpt 4610 . 2
52, 4elab2g 2712 1
 Colors of variables: wff set class Syntax hints:   wi 4   wb 102   wceq 1259   wcel 1409  wrex 2324   cmpt 3846   crn 4374 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 103  ax-ia2 104  ax-ia3 105  ax-io 640  ax-5 1352  ax-7 1353  ax-gen 1354  ax-ie1 1398  ax-ie2 1399  ax-8 1411  ax-10 1412  ax-11 1413  ax-i12 1414  ax-bndl 1415  ax-4 1416  ax-14 1421  ax-17 1435  ax-i9 1439  ax-ial 1443  ax-i5r 1444  ax-ext 2038  ax-sep 3903  ax-pow 3955  ax-pr 3972 This theorem depends on definitions:  df-bi 114  df-3an 898  df-tru 1262  df-nf 1366  df-sb 1662  df-eu 1919  df-mo 1920  df-clab 2043  df-cleq 2049  df-clel 2052  df-nfc 2183  df-rex 2329  df-v 2576  df-un 2950  df-in 2952  df-ss 2959  df-pw 3389  df-sn 3409  df-pr 3410  df-op 3412  df-br 3793  df-opab 3847  df-mpt 3848  df-cnv 4381  df-dm 4383  df-rn 4384 This theorem is referenced by:  elrnmpt1s  4612
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