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Theorem anandis 600
Description: Inference that undistributes conjunction in the antecedent. (Contributed by NM, 7-Jun-2004.)
Hypothesis
Ref Expression
anandis.1 (((𝜑𝜓) ∧ (𝜑𝜒)) → 𝜏)
Assertion
Ref Expression
anandis ((𝜑 ∧ (𝜓𝜒)) → 𝜏)

Proof of Theorem anandis
StepHypRef Expression
1 anandis.1 . . 3 (((𝜑𝜓) ∧ (𝜑𝜒)) → 𝜏)
21an4s 596 . 2 (((𝜑𝜑) ∧ (𝜓𝜒)) → 𝜏)
32anabsan 581 1 ((𝜑 ∧ (𝜓𝜒)) → 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:  3impdi  1334  dff13  5974  f1oiso  6032  ltapig  7705  ltmpig  7706  faclbnd  11181  tgcl  15167
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