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Theorem wl-impchain-com-2.3 33279
Description: This theorem is in fact a copy of com23 86. It starts a series of theorems named after wl-impchain-com-n.m 33278. For more information see there. (Contributed by Wolf Lammen, 12-Nov-2019.) (New usage is discouraged.) (Proof modification is discouraged.)
Hypothesis
Ref Expression
wl-impchain-com-2.3.h1  |-  ( th 
->  ( ch  ->  ( ps  ->  ph ) ) )
Assertion
Ref Expression
wl-impchain-com-2.3  |-  ( th 
->  ( ps  ->  ( ch  ->  ph ) ) )

Proof of Theorem wl-impchain-com-2.3
StepHypRef Expression
1 wl-impchain-com-2.3.h1 . . . 4  |-  ( th 
->  ( ch  ->  ( ps  ->  ph ) ) )
21wl-impchain-com-1.2 33275 . . 3  |-  ( ch 
->  ( th  ->  ( ps  ->  ph ) ) )
32wl-impchain-com-1.3 33276 . 2  |-  ( ps 
->  ( th  ->  ( ch  ->  ph ) ) )
43wl-impchain-com-1.2 33275 1  |-  ( th 
->  ( ps  ->  ( ch  ->  ph ) ) )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4
This theorem was proved from axioms:  ax-mp 5  ax-luk1 33241  ax-luk2 33242  ax-luk3 33243
This theorem is referenced by:  wl-impchain-com-3.2.1  33281  wl-impchain-a1-3  33285
  Copyright terms: Public domain W3C validator