src/HOL/ex/PresburgerEx.thy
changeset 67006 b1278ed3cd46
parent 66453 cc19f7ca2ed6
child 70165 48e8bbeef7d3
     1.1 --- a/src/HOL/ex/PresburgerEx.thy	Sat Nov 04 18:57:49 2017 +0100
     1.2 +++ b/src/HOL/ex/PresburgerEx.thy	Sat Nov 04 19:17:19 2017 +0100
     1.3 @@ -5,7 +5,7 @@
     1.4  section \<open>Some examples for Presburger Arithmetic\<close>
     1.5  
     1.6  theory PresburgerEx
     1.7 -imports HOL.Presburger
     1.8 +imports Main
     1.9  begin
    1.10  
    1.11  lemma "\<And>m n ja ia. \<lbrakk>\<not> m \<le> j; \<not> (n::nat) \<le> i; (e::nat) \<noteq> 0; Suc j \<le> ja\<rbrakk> \<Longrightarrow> \<exists>m. \<forall>ja ia. m \<le> ja \<longrightarrow> (if j = ja \<and> i = ia then e else 0) = 0" by presburger