Metamath Proof Explorer

Theorem ad5ant234

Description: Deduction adding conjuncts to antecedent. (Contributed by Alan Sare, 17-Oct-2017) (Proof shortened by Wolf Lammen, 14-Apr-2022)

		Ref	Expression
	Hypothesis	ad5ant.1	$⊢ (φ \land ψ \land χ) \to θ$
	Assertion	ad5ant234	$⊢ ((((τ \land φ) \land ψ) \land χ) \land η) \to θ$

Step	Hyp	Ref	Expression
1		ad5ant.1	$⊢ (φ \land ψ \land χ) \to θ$
2	1	ad4ant234	$⊢ (((τ \land φ) \land ψ) \land χ) \to θ$
3	2	adantr	$⊢ ((((τ \land φ) \land ψ) \land χ) \land η) \to θ$