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Definition df-vhc2 28350
Description: Definition of a 2-virtual hypotheses collection. (Contributed by Alan Sare, 23-Apr-2015.) (New usage is discouraged.)
Assertion
Ref Expression
df-vhc2  |-  ( (.
ph ,. ps ).  <->  (
ph  /\  ps )
)

Detailed syntax breakdown of Definition df-vhc2
StepHypRef Expression
1 wph . . 3  wff  ph
2 wps . . 3  wff  ps
31, 2wvhc2 28349 . 2  wff  (. ph ,. ps ).
41, 2wa 358 . 2  wff  ( ph  /\ 
ps )
53, 4wb 176 1  wff  ( (.
ph ,. ps ).  <->  (
ph  /\  ps )
)
Colors of variables: wff set class
This definition is referenced by:  dfvd2an  28351
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