Metamath Proof Explorer

Theorem simp213

Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012)

		Ref	Expression
	Assertion	simp213	$⊢ (η \land ((φ \land ψ \land χ) \land θ \land τ) \land ζ) \to χ$

Step	Hyp	Ref	Expression
1		simp13	$⊢ ((φ \land ψ \land χ) \land θ \land τ) \to χ$
2	1	3ad2ant2	$⊢ (η \land ((φ \land ψ \land χ) \land θ \land τ) \land ζ) \to χ$