Theorem sps

Description: Generalization of antecedent. (Contributed by NM, 5-Jan-1993)

	Ref	Expression
Hypothesis	sps.1	$$⊢\phi \to \psi$$
Assertion	sps	$$⊢\forall x\phi \to \psi$$

Proof

Step	Hyp	Ref	Expression
1		sps.1	$$⊢\phi \to \psi$$
2		sp	$$⊢\forall x\phi \to \phi$$
3	2 1	syl	$$⊢\forall x\phi \to \psi$$