Definitions NuprlPrimitives Sections NuprlLIB Doc
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Some definitions of interest.
natDef  == {i:| 0i }
Thm*   Type
nequalDef a  b  T == a = b  T
Thm* A:Type, x,y:A. (x  y Prop

About:
intnatural_numbersetuniverseequalmemberpropall!abstraction
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Definitions NuprlPrimitives Sections NuprlLIB Doc