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Theorem eelT 28862
Description: An elimination deduction. (Contributed by Alan Sare, 5-Feb-2017.) (Proof modification is discouraged.) (New usage is discouraged.)
Hypotheses
Ref Expression
eelT.1  |-  (  T. 
->  ph )
eelT.2  |-  ( ph  ->  ps )
Assertion
Ref Expression
eelT  |-  ps

Proof of Theorem eelT
StepHypRef Expression
1 eelT.1 . . 3  |-  (  T. 
->  ph )
2 eelT.2 . . 3  |-  ( ph  ->  ps )
31, 2syl 15 . 2  |-  (  T. 
->  ps )
43trud 1314 1  |-  ps
Colors of variables: wff set class
Syntax hints:    -> wi 4    T. wtru 1307
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  df-tru 1310
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