WhoCites Definitions HOLlib Sections NuprlLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Who Cites htype definition?
htype_definitionDef type_definition == P:'arep:'b'atype_definition('a;'b;P;rep)
Thm* 'a,'b:S. type_definition  (('a  hbool)  ('b  'a hbool)
type_definitionDef type_definition('a;'b;P;rep)
Def == (x',x'':'brep(x') = rep(x'' 'a  x' = x'')
Def == & (x:'a(P(x))  (x':'bx = rep(x')))
Thm* 'a,'b:Type, P:('a), rep:('b'a). type_definition('a;'b;P;rep Prop
prop_to_boolDef P == InjCase(lem(P) ; true; false)
Thm* P:Prop. (P 
tlambdaDef (x:Tb(x))(x) == b(x)
assertDef b == if b True else False fi
Thm* b:b  Prop
iffDef P  Q == (P  Q) & (P  Q)
Thm* A,B:Prop. (A  B Prop
rev_impliesDef P  Q == Q  P
Thm* A,B:Prop. (A  B Prop

Syntax:type_definition has structure: htype_definition('a'b)

About:
boolbfalsebtrueifthenelseassert
decideapplyfunctionuniverse
equalmemberpropimpliesandfalsetrueall
exists!abstraction
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

WhoCites Definitions HOLlib Sections NuprlLIB Doc