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Theorem dfifp5 1385
Description: Alternate definition of the conditional operator for propositions. (Contributed by BJ, 2-Oct-2019.)
Assertion
Ref Expression
dfifp5

Proof of Theorem dfifp5
StepHypRef Expression
1 dfifp2 1382 . 2
2 imor 412 . . 3
32anbi1i 695 . 2
41, 3bitri 249 1
Colors of variables: wff setvar class
Syntax hints:  -.wn 3  ->wi 4  <->wb 184  \/wo 368  /\wa 369  if-wif 1380
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-ifp 1381
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