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Theorem sylibrd 225
Description: A syllogism deduction. (Contributed by NM, 3-Aug-1994.)
Hypotheses
Ref Expression
sylibrd.1
sylibrd.2
Assertion
Ref Expression
sylibrd

Proof of Theorem sylibrd
StepHypRef Expression
1 sylibrd.1 . 2
2 sylibrd.2 . . 3
32biimprd 214 . 2
41, 3syld 40 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wb 176
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8
This theorem depends on definitions:  df-bi 177
This theorem is referenced by:  3imtr4d  259  sbciegft  3076  eqsbc3r  3103  fconstfv  5456  nmembers1  6271  nchoicelem12  6300
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