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Metamath Proof Explorer


Theorem ad6antlr

Description: Deduction adding 6 conjuncts to antecedent. (Contributed by Mario Carneiro, 5-Jan-2017) (Proof shortened by Wolf Lammen, 5-Apr-2022)

Ref Expression
Hypothesis ad2ant.1 φ ψ
Assertion ad6antlr χ φ θ τ η ζ σ ψ

Proof

Step Hyp Ref Expression
1 ad2ant.1 φ ψ
2 1 adantl χ φ ψ
3 2 ad5antr χ φ θ τ η ζ σ ψ