No other cites to report in NuprlPrimitives
sfa_doc_factorial2	Def x! == if x=0 1 else x(x-2)! fi  (recursive)
	Thm* x:{x:| (x rem 2) = 0 }. x!
eq_int	Def i=j == if i=j true ; false fi
	Thm* i,j:. (i=j)

Syntax:

x!

has structure:

sfa_doc_factorial2(x)

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