2000-05-23 | paulson | Multisets have a zero: the empty multiset | changeset | files |
2000-05-23 | paulson | defining 0::int to be (int 0) | changeset | files |
2000-05-23 | paulson | Now that 0 is overloaded, constant "zero" and its type class "zero" are | changeset | files |
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