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Theorem mptfng 5711
Description: The maps-to notation defines a function with domain. (Contributed by Scott Fenton, 21-Mar-2011.)
Hypothesis
Ref Expression
mptfng.1
Assertion
Ref Expression
mptfng
Distinct variable group:   ,

Proof of Theorem mptfng
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 eueq 3271 . . 3
21ralbii 2888 . 2
3 mptfng.1 . . . 4
4 df-mpt 4512 . . . 4
53, 4eqtri 2486 . . 3
65fnopabg 5709 . 2
72, 6bitri 249 1
Colors of variables: wff setvar class
Syntax hints:  <->wb 184  /\wa 369  =wceq 1395  e.wcel 1818  E!weu 2282  A.wral 2807   cvv 3109  {copab 4509  e.cmpt 4510  Fnwfn 5588
This theorem is referenced by:  fnmpt  5712  fnmpti  5714  mpteqb  5970  ofmpteq  6558  bdayfo  29435  fobigcup  29550  dihf11lem  36993
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631  ax-5 1704  ax-6 1747  ax-7 1790  ax-9 1822  ax-10 1837  ax-11 1842  ax-12 1854  ax-13 1999  ax-ext 2435  ax-sep 4573  ax-nul 4581  ax-pr 4691
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3an 975  df-tru 1398  df-ex 1613  df-nf 1617  df-sb 1740  df-eu 2286  df-mo 2287  df-clab 2443  df-cleq 2449  df-clel 2452  df-nfc 2607  df-ne 2654  df-ral 2812  df-rex 2813  df-rab 2816  df-v 3111  df-dif 3478  df-un 3480  df-in 3482  df-ss 3489  df-nul 3785  df-if 3942  df-sn 4030  df-pr 4032  df-op 4036  df-br 4453  df-opab 4511  df-mpt 4512  df-id 4800  df-xp 5010  df-rel 5011  df-cnv 5012  df-co 5013  df-dm 5014  df-fun 5595  df-fn 5596
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