Definitions mb event system 4 Sections EventSystems Doc
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Some definitions of interest.
deqDef EqDecider(T) == eq:TTx,y:Tx = y  (eq(x,y))
Thm* T:Type. EqDecider(T Type
iffDef P  Q == (P  Q) & (P  Q)
Thm* A,B:Prop. (A  B Prop
l_memberDef (x  l) == i:i<||l|| & x = l[i T
Thm* T:Type, x:Tl:T List. (x  l Prop
notDef A == A  False
Thm* A:Prop. (A Prop
pi1Def 1of(t) == t.1
Thm* A:Type, B:(AType), p:(a:AB(a)). 1of(p A

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

Definitions mb event system 4 Sections EventSystems Doc