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Theorem 3impexpbicom 1367
Description: 3impexp 1366 with biconditional consequent of antecedent that is commuted in consequent. Derived automatically from 3impexpVD in set.mm. (Contributed by Alan Sare, 31-Dec-2011.) (New usage is discouraged.) TODO: decide if this is worth keeping.
Assertion
Ref Expression
3impexpbicom

Proof of Theorem 3impexpbicom
StepHypRef Expression
1 bicom 191 . . . 4
2 imbi2 314 . . . . 5
32biimpcd 215 . . . 4
41, 3mpi 16 . . 3
543expd 1168 . 2
6 3impexp 1366 . . . 4
76biimpri 197 . . 3
87, 1syl6ibr 218 . 2
95, 8impbii 180 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wb 176   w3a 934
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 177  df-an 360  df-3an 936
This theorem is referenced by: (None)
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