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Theorem anim12dan 589
Description: Conjoin antecedents and consequents in a deduction. (Contributed by Mario Carneiro, 12-May-2014.)
Hypotheses
Ref Expression
anim12dan.1 ((𝜑𝜓) → 𝜒)
anim12dan.2 ((𝜑𝜃) → 𝜏)
Assertion
Ref Expression
anim12dan ((𝜑 ∧ (𝜓𝜃)) → (𝜒𝜏))

Proof of Theorem anim12dan
StepHypRef Expression
1 anim12dan.1 . . . 4 ((𝜑𝜓) → 𝜒)
21ex 114 . . 3 (𝜑 → (𝜓𝜒))
3 anim12dan.2 . . . 4 ((𝜑𝜃) → 𝜏)
43ex 114 . . 3 (𝜑 → (𝜃𝜏))
52, 4anim12d 333 . 2 (𝜑 → ((𝜓𝜃) → (𝜒𝜏)))
65imp 123 1 ((𝜑 ∧ (𝜓𝜃)) → (𝜒𝜏))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 103
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
This theorem is referenced by:  xpexr2m  4975  isocnv  5705  f1oiso  5720  f1oiso2  5721  f1o2ndf1  6118  xpf1o  6731  tgclb  12223  innei  12321  txcn  12433
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