Theorem bnj930

Description: First-order logic and set theory. (Contributed by Jonathan Ben-Naim, 3-Jun-2011) (New usage is discouraged.)

	Ref	Expression
Hypothesis	bnj930.1	$$⊢\phi \to FFnA$$
Assertion	bnj930	$$⊢\phi \to \mathrm{Fun}F$$

Proof

Step	Hyp	Ref	Expression
1		bnj930.1	$$⊢\phi \to FFnA$$
2		fnfun	$$⊢FFnA\to \mathrm{Fun}F$$
3	1 2	syl	$$⊢\phi \to \mathrm{Fun}F$$