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Theorem pm4.45im 317
Description: Conjunction with implication. Compare Theorem *4.45 of [WhiteheadRussell] p. 119. (Contributed by NM, 17-May-1998.)
Assertion
Ref Expression
pm4.45im

Proof of Theorem pm4.45im
StepHypRef Expression
1 ax-1 5 . . 3
21ancli 306 . 2
3 simpl 102 . 2
42, 3impbii 117 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  ax-ia3 101
This theorem depends on definitions:  df-bi 110
This theorem is referenced by:  difdif  3063
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