ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  3exp1 GIF version

Theorem 3exp1 1201
Description: Exportation from left triple conjunction. (Contributed by NM, 24-Feb-2005.)
Hypothesis
Ref Expression
3exp1.1 (((𝜑𝜓𝜒) ∧ 𝜃) → 𝜏)
Assertion
Ref Expression
3exp1 (𝜑 → (𝜓 → (𝜒 → (𝜃𝜏))))

Proof of Theorem 3exp1
StepHypRef Expression
1 3exp1.1 . . 3 (((𝜑𝜓𝜒) ∧ 𝜃) → 𝜏)
21ex 114 . 2 ((𝜑𝜓𝜒) → (𝜃𝜏))
323exp 1180 1 (𝜑 → (𝜓 → (𝜒 → (𝜃𝜏))))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 103  w3a 962
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107
This theorem depends on definitions:  df-bi 116  df-3an 964
This theorem is referenced by:  ltmpig  7154
  Copyright terms: Public domain W3C validator