Mon, 31 May 2010 17:27:17 -0700 | Kevin Walker | misc. minor stuff | changeset | files |
Mon, 31 May 2010 13:27:24 -0700 | Kevin Walker | mention some other flavors of balls | changeset | files |
Mon, 31 May 2010 12:44:19 -0700 | Kevin Walker | converting sphere axiom to a proposition; still need to make similar changes in module axioms | changeset | files |