src/ZF/ex/comb.ML
changeset 13895 b6105462ccd3
parent 13894 8018173a7979
child 13896 717bd79b976f
--- a/src/ZF/ex/comb.ML	Sat Apr 05 16:18:58 2003 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,34 +0,0 @@
-(*  Title: 	ZF/ex/comb.ML
-    ID:         $Id$
-    Author: 	Lawrence C Paulson
-    Copyright   1993  University of Cambridge
-
-Datatype definition of combinators S and K
-
-J. Camilleri and T. F. Melham.
-Reasoning with Inductively Defined Relations in the HOL Theorem Prover.
-Report 265, University of Cambridge Computer Laboratory, 1992.
-*)
-
-
-(*Example of a datatype with mixfix syntax for some constructors*)
-structure Comb = Datatype_Fun
- (val thy = Univ.thy;
-  val rec_specs = 
-      [("comb", "univ(0)",
-	  [(["K","S"],	"i"),
-	   (["op #"],	"[i,i]=>i")])];
-  val rec_styp = "i";
-  val ext = Some (Syntax.simple_sext [Infixl("#", "[i,i] => i", 90)]);
-  val sintrs = 
-	  ["K : comb",
-	   "S : comb",
-	   "[| p: comb;  q: comb |] ==> p#q : comb"];
-  val monos = [];
-  val type_intrs = datatype_intrs;
-  val type_elims = []);
-
-val [K_comb,S_comb,Ap_comb] = Comb.intrs;
-
-val Ap_E = Comb.mk_cases Comb.con_defs "p#q : comb";
-