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Theorem biimpac 282
Description: Inference from a logical equivalence. (Contributed by NM, 3-May-1994.)
Hypothesis
Ref Expression
biimpa.1
Assertion
Ref Expression
biimpac

Proof of Theorem biimpac
StepHypRef Expression
1 biimpa.1 . . 3
21biimpcd 148 . 2
32imp 115 1
Colors of variables: wff set class
Syntax hints:   wi 4   wa 97   wb 98
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100
This theorem depends on definitions:  df-bi 110
This theorem is referenced by:  gencbvex2  2595  onsucelsucexmidlem  4214  ordsuc  4241  poltletr  4668  tz6.12-1  5143  nfunsn  5150  nnaordex  6036  th3qlem1  6144  ssfiexmid  6254  nqnq0pi  6421  distrlem1prl  6558  distrlem1pru  6559  eqle  6906
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