Who Cites w-E?
w-E	Def E == {p:(Id)| isnull(a(1of(p);2of(p))) }
w-a	Def a(i;t) == 1of(2of(2of(2of(2of(w)))))(i,t)
pi2	Def 2of(t) == t.2
	Thm* A:Type, B:(AType), p:(a:AB(a)). 2of(p)  B(1of(p))
pi1	Def 1of(t) == t.1
	Thm* A:Type, B:(AType), p:(a:AB(a)). 1of(p)  A
w-isnull	Def isnull(a) == isl(a)
assert	Def b == if b True else False fi
	Thm* b:. b  Prop
Id	Def Id == Atom
	Thm* Id  Type
nat	Def  == {i:| 0i }
	Thm*   Type
le	Def AB == B<A
	Thm* i,j:. (ij)  Prop
not	Def A == A  False
	Thm* A:Prop. (A)  Prop
isl	Def isl(x) == InjCase(x; y. true; z. false)
	Thm* A,B:Type, x:A+B. isl(x)

Syntax:

E

has structure:

w-E(w)

About: IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html