Theorem fsuppimp 7245

Description: Implications of a class being a finitely supported function (in relation to a given zero). (Contributed by AV, 26-May-2019.)

Assertion

Ref	Expression
fsuppimp	|- ( R finSupp Z -> ( Fun R /\ ( R supp Z ) e. Fin ) )

Proof of Theorem fsuppimp

Step	Hyp	Ref	Expression
1		relfsupp 7240	. . 3 |- Rel finSupp
2	1	brrelex12i 4792	. 2 |- ( R finSupp Z -> ( R e. _V /\ Z e. _V ) )
3		isfsupp 7242	. . 3 |- ( ( R e. _V /\ Z e. _V ) -> ( R finSupp Z <-> ( Fun R /\ ( R supp Z ) e. Fin ) ) )
4	3	biimpd 144	. 2 |- ( ( R e. _V /\ Z e. _V ) -> ( R finSupp Z -> ( Fun R /\ ( R supp Z ) e. Fin ) ) )
5	2, 4	mpcom 36	1 |- ( R finSupp Z -> ( Fun R /\ ( R supp Z ) e. Fin ) )

Syntax hints:   -> wi 4   /\ wa 104   e. wcel 2203   _Vcvv 2813   class class class wbr 4109   Fun wfun 5346  (class class class)co 6050   supp csupp 6435   Fincfn 6975   finSupp cfsupp 7238

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 2206  ax-ext 2214  ax-sep 4228  ax-pow 4287  ax-pr 4322

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2083  df-mo 2084  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ral 2525  df-rex 2526  df-v 2815  df-un 3215  df-in 3217  df-ss 3224  df-pw 3671  df-sn 3695  df-pr 3696  df-op 3698  df-uni 3915  df-br 4110  df-opab 4172  df-xp 4755  df-rel 4756  df-cnv 4757  df-co 4758  df-iota 5312  df-fun 5354  df-fv 5360  df-ov 6053  df-fsupp 7239

This theorem is referenced by:  fsuppimpd  7246  fsuppfund  7247