src/HOL/Decision_Procs/ferrack_tac.ML
changeset 36853 c8e4102b08aa
parent 36692 54b64d4ad524
child 36945 9bec62c10714
equal deleted inserted replaced
36852:ef6ba914e209 36853:c8e4102b08aa
    90       (trivial ct))
    90       (trivial ct))
    91     fun assm_tac i = REPEAT_DETERM_N nh (assume_tac i)
    91     fun assm_tac i = REPEAT_DETERM_N nh (assume_tac i)
    92     (* The result of the quantifier elimination *)
    92     (* The result of the quantifier elimination *)
    93     val (th, tac) = case prop_of pre_thm of
    93     val (th, tac) = case prop_of pre_thm of
    94         Const ("==>", _) $ (Const ("Trueprop", _) $ t1) $ _ =>
    94         Const ("==>", _) $ (Const ("Trueprop", _) $ t1) $ _ =>
    95     let val pth = linr_oracle (cterm_of thy (Pattern.eta_long [] t1))
    95     let val pth = linr_oracle (ctxt, Pattern.eta_long [] t1)
    96     in 
    96     in 
    97           (trace_msg ("calling procedure with term:\n" ^
    97           (trace_msg ("calling procedure with term:\n" ^
    98              Syntax.string_of_term ctxt t1);
    98              Syntax.string_of_term ctxt t1);
    99            ((pth RS iffD2) RS pre_thm,
    99            ((pth RS iffD2) RS pre_thm,
   100             assm_tac (i + 1) THEN (if q then I else TRY) (rtac TrueI i)))
   100             assm_tac (i + 1) THEN (if q then I else TRY) (rtac TrueI i)))