Definitions FTA Sections DiscrMathExt Doc
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Some definitions of interest.
complete_intseg_msetDef  complete_intseg_mset(a; b; f)(x) == if a  x < b f(x) else 0 fi
Thm*  a,b:, f:({a..b}). complete_intseg_mset(a; b; f)  
int_segDef  {i..j} == {k:| i  k < j }
Thm*  m,n:. {m..n}  Type
leltDef  i  j < k == ij & j<k
natDef   == {i:| 0i }
Thm*    Type
notDef  A == A  False
Thm*  A:Prop. (A)  Prop

About:
ifthenelseintnatural_numberless_thansetapplyfunction
universememberpropimpliesandfalseall!abstraction
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

Definitions FTA Sections DiscrMathExt Doc