Metamath Proof Explorer


Theorem adantl5r

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

Ref Expression
Hypothesis adantl5r.1 φζσρμλκ
Assertion adantl5r φηζσρμλκ

Proof

Step Hyp Ref Expression
1 adantl5r.1 φζσρμλκ
2 1 ex φζσρμλκ
3 2 adantl4r φηζσρμλκ
4 3 imp φηζσρμλκ