Metamath Proof Explorer


Theorem e00an

Description: Elimination rule identical to mp2an . The non-virtual deduction form is the virtual deduction form, which is mp2an . (Contributed by Alan Sare, 15-Jun-2011) (Proof modification is discouraged.) (New usage is discouraged.)

Ref Expression
Hypotheses e00an.1 φ
e00an.2 ψ
e00an.3 φ ψ χ
Assertion e00an χ

Proof

Step Hyp Ref Expression
1 e00an.1 φ
2 e00an.2 ψ
3 e00an.3 φ ψ χ
4 1 2 3 mp2an χ