Definitions num thy 1 Sections StandardLIB Doc
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Some definitions of interest.
coprimeDef CoPrime(a,b) == GCD(a;b;1)
Thm* a,b:. CoPrime(a,b Prop
eqmodDef a = b mod m == m | a-b
Thm* m,a,b:. (a = b mod m Prop
nat_plusDef  == {i:| 0<i }
Thm*   Type
sq_existsDef x:AB(x) == {x:AB(x) }

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

Definitions num thy 1 Sections StandardLIB Doc