Tue, 23 May 2000 18:22:19 +0200 | paulson | new type class "zero" so that 0 can be overloaded | changeset | files |
Tue, 23 May 2000 18:21:51 +0200 | paulson | finally sum_below is overloaded properly | changeset | files |
Tue, 23 May 2000 18:19:06 +0200 | paulson | Multisets have a zero: the empty multiset | changeset | files |
Tue, 23 May 2000 18:14:57 +0200 | paulson | defining 0::int to be (int 0) | changeset | files |
Tue, 23 May 2000 18:08:52 +0200 | paulson | Now that 0 is overloaded, constant "zero" and its type class "zero" are | changeset | files |
Tue, 23 May 2000 18:06:22 +0200 | paulson | added type constraint ::nat because 0 is now overloaded | changeset | files |
Tue, 23 May 2000 12:44:03 +0200 | paulson | theory file NatSum.thy no longer needed | changeset | files |