Theorem fsuppimpd 7259

Description: A finitely supported function is a function with a finite support. (Contributed by AV, 6-Jun-2019.)

Hypothesis

Ref	Expression
fsuppimpd.f	⊢ (𝜑 → 𝐹 finSupp 𝑍)

Assertion

Ref	Expression
fsuppimpd	⊢ (𝜑 → (𝐹 supp 𝑍) ∈ Fin)

Proof of Theorem fsuppimpd

Step	Hyp	Ref	Expression
1		fsuppimpd.f	. 2 ⊢ (𝜑 → 𝐹 finSupp 𝑍)
2		fsuppimp 7258	. . 3 ⊢ (𝐹 finSupp 𝑍 → (Fun 𝐹 ∧ (𝐹 supp 𝑍) ∈ Fin))
3	2	simprd 114	. 2 ⊢ (𝐹 finSupp 𝑍 → (𝐹 supp 𝑍) ∈ Fin)
4	1, 3	syl 14	1 ⊢ (𝜑 → (𝐹 supp 𝑍) ∈ Fin)

Syntax hints:   → wi 4   ∈ wcel 2205   class class class wbr 4114  Fun wfun 5351  (class class class)co 6058   supp csupp 6448  Fincfn 6988   finSupp cfsupp 7251

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 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ral 2527  df-rex 2528  df-v 2817  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-br 4115  df-opab 4177  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-iota 5317  df-fun 5359  df-fv 5365  df-ov 6061  df-fsupp 7252

This theorem is referenced by:  fsuppxpfi  7262  fsuppcorn  7267