ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  anim12dan GIF version

Theorem anim12dan 608
Description: Conjoin antecedents and consequents in a deduction. (Contributed by Mario Carneiro, 12-May-2014.)
Hypotheses
Ref Expression
anim12dan.1 ((𝜑 ∧ 𝜓) → 𝜒)
anim12dan.2 ((𝜑 ∧ 𝜃) → 𝜏)
Assertion
Ref Expression
anim12dan ((𝜑 ∧ (𝜓 ∧ 𝜃)) → (𝜒 ∧ 𝜏))

Proof of Theorem anim12dan
StepHypRef Expression
1 anim12dan.1 . . . 4 ((𝜑 ∧ 𝜓) → 𝜒)
21ex 115 . . 3 (𝜑 → (𝜓 → 𝜒))
3 anim12dan.2 . . . 4 ((𝜑 ∧ 𝜃) → 𝜏)
43ex 115 . . 3 (𝜑 → (𝜃 → 𝜏))
52, 4anim12d 335 . 2 (𝜑 → ((𝜓 ∧ 𝜃) → (𝜒 ∧ 𝜏)))
65imp 124 1 ((𝜑 ∧ (𝜓 ∧ 𝜃)) → (𝜒 ∧ 𝜏))
Colors of variables:    wff set class
This proof depends on syntax axioms:   → wi 4   ∧ wa 104
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This proof depends on definitions:  df-bi 117
This theorem is used by:  xpexr2m  5232  isocnv  6020  f1oiso  6035  f1oiso2  6036  f1o2ndf1  6468  xpf1o  7149  pc11  13140  imasaddfnlemg  13695  imasaddflemg  13697  mhmpropd  13833  ghmsub  14114  invrpropdg  14566  znidom  15102  tgclb  15303  innei  15401  txcn  15513  plymullem1  15986  lgsdir2  16369
  Copyright terms: Public domain W3C validator