src/HOL/Meson.thy
changeset 54553 2b0da4c1dd40
parent 54148 c8cc5ab4a863
child 58817 4cd778c91fdc
     1.1 --- a/src/HOL/Meson.thy	Thu Nov 21 21:33:34 2013 +0100
     1.2 +++ b/src/HOL/Meson.thy	Thu Nov 21 21:33:34 2013 +0100
     1.3 @@ -8,7 +8,7 @@
     1.4  header {* MESON Proof Method *}
     1.5  
     1.6  theory Meson
     1.7 -imports Datatype
     1.8 +imports Nat
     1.9  begin
    1.10  
    1.11  subsection {* Negation Normal Form *}