Who Cites lelt?
lelt	Def i  j < k == ij & j<k
le	Def AB == B<A
	Thm* i,j:. (ij)  Prop
not	Def A == A  False
	Thm* A:Prop. (A)  Prop

Syntax:

i  j < k

has structure:

lelt(i; j; k)

About: IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html