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Theorem ee01OLD 28464
Description: e01 28463 without virtual deduction symbols. (Moved to mpsyl 59 in main set.mm and may be deleted by mathbox owner, AS. --NM 22-Mar-2013.) (Contributed by Alan Sare, 20-Apr-2011.) (Proof modification is discouraged.) (New usage is discouraged.)
Hypotheses
Ref Expression
ee01OLD.1  |-  ph
ee01OLD.2  |-  ( ps 
->  ch )
ee01OLD.3  |-  ( ph  ->  ( ch  ->  th )
)
Assertion
Ref Expression
ee01OLD  |-  ( ps 
->  th )

Proof of Theorem ee01OLD
StepHypRef Expression
1 ee01OLD.1 . 2  |-  ph
2 ee01OLD.2 . 2  |-  ( ps 
->  ch )
3 ee01OLD.3 . 2  |-  ( ph  ->  ( ch  ->  th )
)
41, 2, 3mpsyl 59 1  |-  ( ps 
->  th )
Colors of variables: wff set class
Syntax hints:    -> wi 4
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 8
  Copyright terms: Public domain W3C validator