Definitions DiscreteMath Sections DiscrMathExt Doc
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Some definitions of interest.
productively_infiniteDef  Infinite(A) == ( inj A)
Thm*  A:Type. Infinite(A Prop
unboundedly_infiniteDef  Unbounded(A) == k:(k inj A)
Thm*  A:Type. Unbounded(A Prop
injection_typeDef  A inj B == {f:(AB)| Inj(ABf) }
Thm*  A,B:Type. A inj B  Type
int_segDef  {i..j} == {k:i  k < j }
Thm*  m,n:. {m..n Type
natDef   == {i:| 0i }
Thm*    Type

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

Definitions DiscreteMath Sections DiscrMathExt Doc