num thy 1 Sections StandardLIB Search Doc
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
TheoremName
Thm* a,b:a | b  a | -b[divides_invar_2]
cites the following:
Thm* a:. -(-a) = a[minus_minus_cancel]
IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
num thy 1 Sections StandardLIB Search Doc