Metamath Proof Explorer


Theorem adantl6r

Description: Deduction adding 1 conjunct to antecedent. (Contributed by Thierry Arnoux, 11-Feb-2018)

Ref Expression
Hypothesis adantl6r.1 ⊢ φ ∧ η ∧ ζ ∧ σ ∧ ρ ∧ μ ∧ λ → κ
Assertion adantl6r ⊢ φ ∧ τ ∧ η ∧ ζ ∧ σ ∧ ρ ∧ μ ∧ λ → κ

Proof

Step Hyp Ref Expression
1 adantl6r.1 ⊢ φ ∧ η ∧ ζ ∧ σ ∧ ρ ∧ μ ∧ λ → κ
2 1 ex ⊢ φ ∧ η ∧ ζ ∧ σ ∧ ρ ∧ μ → λ → κ
3 2 adantl5r ⊢ φ ∧ τ ∧ η ∧ ζ ∧ σ ∧ ρ ∧ μ → λ → κ
4 3 imp ⊢ φ ∧ τ ∧ η ∧ ζ ∧ σ ∧ ρ ∧ μ ∧ λ → κ