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
RankTheoremName
5Thm* a,b:. (a ~ b a = b  a = -b[assoced_elim]
cites the following:
4Thm* a,b:a | b & b | a  a =  b[assoc_reln]
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