Theorem alfal

Description: For all sets, -. F. is true. (Contributed by Anthony Hart, 13-Sep-2011)

	Ref	Expression
Assertion	alfal	$$⊢\forall x\neg \perp$$

Proof

Step	Hyp	Ref	Expression
1		fal	$$⊢\neg \perp$$
2	1	ax-gen	$$⊢\forall x\neg \perp$$