Theorem eel0cT

Description: An elimination deduction. (Contributed by Alan Sare, 4-Feb-2017) (Proof modification is discouraged.) (New usage is discouraged.)

	Ref	Expression
Hypotheses	eel0cT.1	$$⊢\phi$$
	eel0cT.2	$$⊢\phi \to \psi$$
Assertion	eel0cT	$$⊢\top \to \psi$$

Proof

Step	Hyp	Ref	Expression
1		eel0cT.1	$$⊢\phi$$
2		eel0cT.2	$$⊢\phi \to \psi$$
3	1 2	ax-mp	$$⊢\psi$$
4	3	a1i	$$⊢\top \to \psi$$