Definitions DiscreteMath Sections DiscrMathExt Doc
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Some definitions of interest.
iffDef  P  Q == (P  Q) & (P  Q)
Thm*  A,B:Prop. (A  B)  Prop
is_finite_typeDef  Finite(A) == n:. A ~ n
Thm*  A:Type. Finite(A)  Prop
unboundedly_infiniteDef  Unbounded(A) == k:. (k inj A)
Thm*  A:Type. Unbounded(A)  Prop
notDef  A == A  False
Thm*  A:Prop. (A)  Prop
rev_impliesDef  P  Q == Q  P
Thm*  A,B:Prop. (A  B)  Prop

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

Definitions DiscreteMath Sections DiscrMathExt Doc