Definitions mb event system 2 Sections EventSystems Doc
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Some definitions of interest.
IdDef Id == Atom
Thm* Id  Type
deqDef EqDecider(T) == eq:TTx,y:Tx = y  (eq(x,y))
Thm* T:Type. EqDecider(T Type
eq_idDef a = b == eqof(IdDeq)(a,b)
Thm* a,b:Id. a = b  
eqofDef eqof(d) == 1of(d)
Thm* T:Type, d:EqDecider(T). eqof(d TT

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IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

Definitions mb event system 2 Sections EventSystems Doc