Metamath Proof Explorer


Theorem mp2ani

Description: An inference based on modus ponens. (Contributed by NM, 12-Dec-2004)

Ref Expression
Hypotheses mp2ani.1 ⊢ 𝜓
mp2ani.2 ⊢ 𝜒
mp2ani.3 ⊢ ( 𝜑 → ( ( 𝜓 ∧ 𝜒 ) → 𝜃 ) )
Assertion mp2ani ( 𝜑 → 𝜃 )

Proof

Step Hyp Ref Expression
1 mp2ani.1 ⊢ 𝜓
2 mp2ani.2 ⊢ 𝜒
3 mp2ani.3 ⊢ ( 𝜑 → ( ( 𝜓 ∧ 𝜒 ) → 𝜃 ) )
4 1 3 mpani ⊢ ( 𝜑 → ( 𝜒 → 𝜃 ) )
5 2 4 mpi ⊢ ( 𝜑 → 𝜃 )