walther@59728: (* Title:  "MathEngBasic/tactic.sml"
walther@59728:    Author: Walther Neuper
walther@59728:    (c) due to copyright terms
walther@59728: *)
walther@59728: 
walther@59728: "-----------------------------------------------------------------------------------------------";
walther@59728: "table of contents -----------------------------------------------------------------------------";
walther@59728: "-----------------------------------------------------------------------------------------------";
walther@59728: "-----------------------------------------------------------------------------------------------";
walther@59728: "----------- fun result, fun creates_assms ---------------------------------------------------";
walther@59728: "-----------------------------------------------------------------------------------------------";
walther@59728: "-----------------------------------------------------------------------------------------------";
walther@59728: "-----------------------------------------------------------------------------------------------";
walther@59728: 
walther@59728: "----------- fun result, fun creates_assms ---------------------------------------------------";
walther@59728: "----------- fun result, fun creates_assms ---------------------------------------------------";
walther@59728: "----------- fun result, fun creates_assms ---------------------------------------------------";
walther@59728: val thm'' = ("real_mult_div_cancel2", @{thm real_mult_div_cancel2});
walther@59728: val (f, res) = (@{term "a * x / (b * x) :: real"}, (@{term "a / b :: real"}, [@{term "k \<noteq> (0 :: real)"}]: term list))
walther@59728: ;
Walther@60509: Rewrite': ThyC.id * Rewrite_Ord.id * Rule_Set.T * bool * ThmC.T * term * Calc.result -> Tactic.T;
walther@59852: val tac = Rewrite' ("Diff", "dummy_ord", Rule_Set.empty, true, thm'', f, res)
walther@59728: ;
walther@59868: if (Tactic.result tac |> UnparseC.term) = "a / b" then () else error "creates_assms CHANGED";
walther@59868: if (Tactic.creates_assms tac |> UnparseC.terms) = "[\"k \<noteq> 0\"]" then () else error "creates_assms CHANGED";