ProgTutorial/Tactical.thy
changeset 329 5dffcab68680
parent 318 efb5fff99c96
child 331 46100dc4a808
equal deleted inserted replaced
328:c0cae24b9d46 329:5dffcab68680
  1653 *}
  1653 *}
  1654 
  1654 
  1655 ML{*fun fail_simproc' simpset redex = 
  1655 ML{*fun fail_simproc' simpset redex = 
  1656 let
  1656 let
  1657   val ctxt = Simplifier.the_context simpset
  1657   val ctxt = Simplifier.the_context simpset
  1658   val _ = tracing ("The redex: " ^ (Syntax.string_of_term ctxt redex))
  1658   val _ = tracing ("The redex: " ^ (string_of_term ctxt redex))
  1659 in
  1659 in
  1660   NONE
  1660   NONE
  1661 end*}
  1661 end*}
  1662 
  1662 
  1663 text {*
  1663 text {*