src/HOL/NatDef.ML
1997-03-04 paulson 1997-03-04 Renamed constant "not" to "Not"
1997-02-25 pusch 1997-02-25 function nat_add_primrec added to allow primrec definitions over nat
1997-02-12 nipkow 1997-02-12 New class "order" and accompanying changes. In particular reflexivity of <= is now one rewrite rule.