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Theorem pm3.4 316
Description: Conjunction implies implication. Theorem *3.4 of [WhiteheadRussell] p. 113. (Contributed by NM, 31-Jul-1995.)
Assertion
Ref Expression
pm3.4

Proof of Theorem pm3.4
StepHypRef Expression
1 simpr 103 . 2
21a1d 22 1
Colors of variables: wff set class
Syntax hints:   wi 4   wa 97
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia2 100
This theorem is referenced by:  dcim  783  pclem6  1264  sbequ1  1648  sbequ8  1724  en2lp  4232
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