Who Cites union1?
union1	Def union1() == +Type+()
	Thm* union1{i}()  Type{i'}
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

Syntax:

union1()

has structure:

union1{i:l}

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