Who Cites sq type?
sq_type	Def SQType(T) == x,y:T. x = y  {x ~ y}

Syntax:

SQType(T)

has structure:

sq_type(T)

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