Metamath Proof Explorer


Theorem pm3.2an3

Description: Version of pm3.2 for a triple conjunction. (Contributed by Alan Sare, 24-Oct-2011) (Proof shortened by Kyle Wyonch, 24-Apr-2021) (Proof shortened by Wolf Lammen, 21-Jun-2022)

Ref Expression
Assertion pm3.2an3 ( 𝜑 → ( 𝜓 → ( 𝜒 → ( 𝜑𝜓𝜒 ) ) ) )

Proof

Step Hyp Ref Expression
1 id ( ( 𝜑𝜓𝜒 ) → ( 𝜑𝜓𝜒 ) )
2 1 3exp ( 𝜑 → ( 𝜓 → ( 𝜒 → ( 𝜑𝜓𝜒 ) ) ) )