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Theorem 3impdi 1334
Description: Importation inference (undistribute conjunction). (Contributed by NM, 14-Aug-1995.)
Hypothesis
Ref Expression
3impdi.1 (((𝜑 ∧ 𝜓) ∧ (𝜑 ∧ 𝜒)) → 𝜃)
Assertion
Ref Expression
3impdi ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃)

Proof of Theorem 3impdi
StepHypRef Expression
1 3impdi.1 . . 3 (((𝜑 ∧ 𝜓) ∧ (𝜑 ∧ 𝜒)) → 𝜃)
21anandis 600 . 2 ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃)
323impb 1230 1 ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃)
Colors of variables:    wff set class
This proof depends on syntax axioms:   → wi 4   ∧ wa 104   ∧ w3a 1009
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  df-3an 1011
This theorem is used by:  ecovdi  6920  ecovidi  6921  distrpig  7701  mulcanenq  7753  mulcanenq0ec  7813  distrnq0  7827  axltadd  8396  ccatlcan  11506  absmulgcd  12813
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