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Syntax Definition wvhc2 36587
Description: Syntax for a 2-element virtual hypotheses collection. (Contributed by Alan Sare, 23-Apr-2015.) (New usage is discouraged.)
Hypotheses
Ref Expression
wph  wff  ph
wps  wff  ps
Assertion
Ref Expression
wvhc2  wff  (. ph ,. ps ).

See definition df-vhc2 36588 for more information.

Colors of variables: wff setvar class
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