ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  3imp2 GIF version

Theorem 3imp2 1119
Description: Importation to right triple conjunction. (Contributed by NM, 26-Oct-2006.)
Hypothesis
Ref Expression
3imp1.1 (𝜑 → (𝜓 → (𝜒 → (𝜃𝜏))))
Assertion
Ref Expression
3imp2 ((𝜑 ∧ (𝜓𝜒𝜃)) → 𝜏)

Proof of Theorem 3imp2
StepHypRef Expression
1 3imp1.1 . . 3 (𝜑 → (𝜓 → (𝜒 → (𝜃𝜏))))
213impd 1118 . 2 (𝜑 → ((𝜓𝜒𝜃) → 𝜏))
32imp 115 1 ((𝜑 ∧ (𝜓𝜒𝜃)) → 𝜏)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 97  w3a 885
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100
This theorem depends on definitions:  df-bi 110  df-3an 887
This theorem is referenced by:  ovg  5639
  Copyright terms: Public domain W3C validator