Metamath Proof Explorer


Theorem 3anim123i

Description: Join antecedents and consequents with conjunction. (Contributed by NM, 8-Apr-1994)

Ref Expression
Hypotheses 3anim123i.1 ( 𝜑𝜓 )
3anim123i.2 ( 𝜒𝜃 )
3anim123i.3 ( 𝜏𝜂 )
Assertion 3anim123i ( ( 𝜑𝜒𝜏 ) → ( 𝜓𝜃𝜂 ) )

Proof

Step Hyp Ref Expression
1 3anim123i.1 ( 𝜑𝜓 )
2 3anim123i.2 ( 𝜒𝜃 )
3 3anim123i.3 ( 𝜏𝜂 )
4 1 3ad2ant1 ( ( 𝜑𝜒𝜏 ) → 𝜓 )
5 2 3ad2ant2 ( ( 𝜑𝜒𝜏 ) → 𝜃 )
6 3 3ad2ant3 ( ( 𝜑𝜒𝜏 ) → 𝜂 )
7 4 5 6 3jca ( ( 𝜑𝜒𝜏 ) → ( 𝜓𝜃𝜂 ) )