WhoCites Definitions HOLlib Sections NuprlLIB Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Who Cites iso pair?
iso_pairDef iso_pair('a;'b;P;rep;abs)
Def == (r:'babs(r) = (@a:'a. (r = rep(a)))) & type_definition('b;'a;P;rep)
Thm* 'a,'b:S, P:('b), rep:('a'b), abs:('b'a).
Thm* iso_pair('a;'b;P;rep;abs Prop
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
chooseDef @x:TP(x) == InjCase(lem({x:TP(x) }); xx, arb(T))
Thm* T:S, P:(TType). (@x:TP(x))  T
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
arbDef arb(T) == InjCase(lem(T); xx, "uu")
Thm* T:S. arb(T T
rev_impliesDef P  Q == Q  P
Thm* A,B:Prop. (A  B Prop

Syntax:iso_pair('a;'b;P;rep;abs) has structure: iso_pair('a'bPrepabs)

About:
boolifthenelseasserttokendecide
setapplyfunctionuniverseequalmemberpropimplies
andfalsetrueallexists!abstraction
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

WhoCites Definitions HOLlib Sections NuprlLIB Doc