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Metamath Proof Explorer

Theorem alfal

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

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

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