src/HOL/cladata.ML
changeset 4205 96632970d203
parent 4179 cc4b6791d5dc
child 4206 688050e83d89
     1.1 --- a/src/HOL/cladata.ML	Wed Nov 12 12:24:55 1997 +0100
     1.2 +++ b/src/HOL/cladata.ML	Wed Nov 12 12:30:15 1997 +0100
     1.3 @@ -26,6 +26,9 @@
     1.4  structure Hypsubst = HypsubstFun(Hypsubst_Data);
     1.5  open Hypsubst;
     1.6  
     1.7 +val thin_refl = prove_goal HOL.thy 
     1.8 +	"!!X. [|x=x; PROP W|] ==> PROP W" (K [atac 1]);
     1.9 +
    1.10  (*** Applying ClassicalFun to create a classical prover ***)
    1.11  structure Classical_Data = 
    1.12    struct
    1.13 @@ -33,7 +36,8 @@
    1.14    val mp        = mp
    1.15    val not_elim  = notE
    1.16    val classical = classical
    1.17 -  val hyp_subst_tacs=[hyp_subst_tac]
    1.18 +  val thin_refl = thin_refl
    1.19 +  val hyp_subst_tacs= [REPEAT_DETERM o ematch_tac [thin_refl] THEN' hyp_subst_tac]
    1.20    end;
    1.21  
    1.22  structure Classical = ClassicalFun(Classical_Data);