factor

Author	SHA1	Message	Date
Slava Pestov	e6aa33ac12	Add new intersects? word and use it in a few places instead of intersect empty?	2009-01-12 01:51:38 -06:00
Slava Pestov	ec71ee0940	Bug fixes	2008-05-28 19:34:18 -05:00
Doug Coleman	e264537a1a	reverse the arguments of diff, assoc-diff fix lots of usings fix help-lint	2008-04-26 02:01:06 -05:00
Doug Coleman	4597cab824	move some words to sets write docs for sets started on usings..	2008-04-14 02:20:37 -05:00