Definitions DiscreteMath Sections DiscrMathExt Doc
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Some definitions of interest.
injectDef  Inj(ABf) == a1,a2:Af(a1) = f(a2 B  a1 = a2
Thm*  A,B:Type, f:(AB). Inj(ABf Prop
is_theDef  x is the u:AP(u) == P(x) & (u:AP(u u = x)
Thm*  A:Type, P:(AProp), x:A. (x is the x:AP(x))  Prop

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

Definitions DiscreteMath Sections DiscrMathExt Doc