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Theorem relfsupp 7851
 Description: The property of a function to be finitely supported is a relation. (Contributed by AV, 7-Jun-2019.)
Assertion
Ref Expression
relfsupp

Proof of Theorem relfsupp
Dummy variables are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-fsupp 7850 . 2
21relopabi 5133 1
 Colors of variables: wff setvar class Syntax hints:  /\wa 369  e.wcel 1818  Relwrel 5009  Funwfun 5587  (class class class)co 6296   csupp 6918   cfn 7536   cfsupp 7849 This theorem is referenced by:  relprcnfsupp  7852  fsuppimp  7855  suppeqfsuppbi  7863  fsuppsssupp  7865  fsuppunbi  7870  funsnfsupp  7873  wemapso2  8000 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-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-opab 4511  df-xp 5010  df-rel 5011  df-fsupp 7850
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