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Metamath Proof Explorer

Theorem simpr33

Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012) (Proof shortened by Wolf Lammen, 24-Jun-2022)

		Ref	Expression
	Assertion	simpr33	$⊢ (η \land (θ \land τ \land (φ \land ψ \land χ))) \to χ$

Step	Hyp	Ref	Expression
1		simpr3	$⊢ (η \land (φ \land ψ \land χ)) \to χ$
2	1	3ad2antr3	$⊢ (η \land (θ \land τ \land (φ \land ψ \land χ))) \to χ$