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Theorem imdistanri 580
Description: Distribution of implication with conjunction. (Contributed by NM, 8-Jan-2002.)
Hypothesis
Ref Expression
imdistanri.1 (𝜑 → (𝜓𝜒))
Assertion
Ref Expression
imdistanri ((𝜓𝜑) → (𝜒𝜑))

Proof of Theorem imdistanri
StepHypRef Expression
1 imdistanri.1 . . 3 (𝜑 → (𝜓𝜒))
21com12 33 . 2 (𝜓 → (𝜑𝜒))
32impac 562 1 ((𝜓𝜑) → (𝜒𝜑))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 401
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This proof depends on definitions:  df-bi 210  df-an 402
This theorem is used by:  tc2  9719  prmodvdslcmf  17172  isdrng3lem2  20953  monmat2matmon  23089  cnextcn  24333  umgredg  29635  crctcshwlkn0lem5  30322  tpr2rico  34463  axtco2g  37181  bj-snsetex  37792  bj-restuni  37932  poimirlem26  38478  seqpo  38595  isdrngo2  38806  pm10.55  45291  2pm13.193VD  45823  gpgedg2iv  49081
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