src/HOL/Integ/int_arith1.ML
changeset 12975 d796a2fd6c69
parent 12482 d2848ccc9757
child 13462 56610e2ba220
     1.1 --- a/src/HOL/Integ/int_arith1.ML	Thu Feb 28 17:21:48 2002 +0100
     1.2 +++ b/src/HOL/Integ/int_arith1.ML	Thu Feb 28 17:46:46 2002 +0100
     1.3 @@ -70,11 +70,6 @@
     1.4                                       @zadd_ac@rel_iff_rel_0_rls) 1);
     1.5  qed "le_add_iff2";
     1.6  
     1.7 -(*To tidy up the result of a simproc.  Only the RHS will be simplified.*)
     1.8 -Goal "u = u' ==> (t==u) == (t==u')";
     1.9 -by Auto_tac;
    1.10 -qed "eq_cong2";
    1.11 -
    1.12  
    1.13  structure Int_Numeral_Simprocs =
    1.14  struct
    1.15 @@ -206,8 +201,8 @@
    1.16    | trans_tac (Some th) = ALLGOALS (rtac (th RS trans));
    1.17  
    1.18  fun simplify_meta_eq rules =
    1.19 -    mk_meta_eq o
    1.20      simplify (HOL_basic_ss addeqcongs[eq_cong2] addsimps rules)
    1.21 +    o mk_meta_eq;
    1.22  
    1.23  structure CancelNumeralsCommon =
    1.24    struct