Sat, 25 Jun 2011 18:14:37 -0700 | Kevin Walker | add remark about a-inf axiom implying isotopy invariance | file | diff | annotate |
Sat, 25 Jun 2011 06:52:04 -0700 | Kevin Walker | minor; out of time for now | file | diff | annotate |
Sat, 25 Jun 2011 06:44:35 -0700 | Kevin Walker | update n-cat summary lists | file | diff | annotate |