| changeset 48891 | c0eafbd55de3 | 
| parent 46821 | ff6b0c1087f2 | 
| child 58871 | c399ae4b836f | 
--- a/src/ZF/ArithSimp.thy Wed Aug 22 22:47:16 2012 +0200 +++ b/src/ZF/ArithSimp.thy Wed Aug 22 22:55:41 2012 +0200 @@ -7,11 +7,13 @@ theory ArithSimp imports Arith -uses "~~/src/Provers/Arith/cancel_numerals.ML" - "~~/src/Provers/Arith/combine_numerals.ML" - "arith_data.ML" begin +ML_file "~~/src/Provers/Arith/cancel_numerals.ML" +ML_file "~~/src/Provers/Arith/combine_numerals.ML" +ML_file "arith_data.ML" + + subsection{*Difference*} lemma diff_self_eq_0 [simp]: "m #- m = 0"