id <-> Id
authornipkow
Fri, 02 Oct 1998 14:28:39 +0200
changeset 5608 a82a038a3e7a
parent 5607 5db9e2343ade
child 5609 03d74c85a818
id <-> Id
src/HOL/Fun.ML
src/HOL/Fun.thy
src/HOL/IMP/Denotation.thy
src/HOL/Lex/NA.thy
src/HOL/Lex/RegExp2NAe.ML
src/HOL/RelPow.thy
src/HOL/Relation.ML
src/HOL/Relation.thy
src/HOL/Trancl.ML
src/HOL/Trancl.thy
src/HOL/UNITY/Channel.thy
src/HOL/UNITY/Common.ML
src/HOL/UNITY/Token.thy
src/HOL/UNITY/Traces.ML
src/HOL/UNITY/Traces.thy
src/HOL/UNITY/UNITY.ML
src/HOL/UNITY/Union.ML
src/HOL/UNITY/WFair.ML
--- a/src/HOL/Fun.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/Fun.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -31,10 +31,10 @@
 qed "bchoice";
 
 
-section "Id";
+section "id";
 
-qed_goalw "Id_apply" thy [Id_def] "Id x = x" (K [rtac refl 1]);
-Addsimps [Id_apply];
+qed_goalw "id_apply" thy [id_def] "id x = x" (K [rtac refl 1]);
+Addsimps [id_apply];
 
 
 section "o";
@@ -46,13 +46,13 @@
 qed_goalw "o_assoc" thy [o_def] "f o (g o h) = f o g o h"
   (K [rtac ext 1, rtac refl 1]);
 
-qed_goalw "Id_o" thy [Id_def] "Id o g = g"
+qed_goalw "id_o" thy [id_def] "id o g = g"
  (K [rtac ext 1, Simp_tac 1]);
-Addsimps [Id_o];
+Addsimps [id_o];
 
-qed_goalw "o_Id" thy [Id_def] "f o Id = f"
+qed_goalw "o_id" thy [id_def] "f o id = f"
  (K [rtac ext 1, Simp_tac 1]);
-Addsimps [o_Id];
+Addsimps [o_id];
 
 Goalw [o_def] "(f o g)``r = f``(g``r)";
 by (Blast_tac 1);
--- a/src/HOL/Fun.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/Fun.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -12,7 +12,7 @@
                        (subset_refl,subset_trans,subset_antisym,psubset_eq)
 consts
 
-  Id          ::  'a => 'a
+  id          ::  'a => 'a
   o           :: ['b => 'c, 'a => 'b, 'a] => 'c   (infixl 55)
   inj, surj   :: ('a => 'b) => bool                   (*inj/surjective*)
   inj_on      :: ['a => 'b, 'a set] => bool
@@ -37,7 +37,7 @@
 
 defs
 
-  Id_def	"Id             == %x. x"
+  id_def	"id             == %x. x"
   o_def   	"f o g          == %x. f(g(x))"
   inj_def	"inj f          == ! x y. f(x)=f(y) --> x=y"
   inj_on_def	"inj_on f A     == ! x:A. ! y:A. f(x)=f(y) --> x=y"
--- a/src/HOL/IMP/Denotation.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/IMP/Denotation.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -19,7 +19,7 @@
   C     :: com => com_den
 
 primrec
-  C_skip    "C(SKIP) = id"
+  C_skip    "C(SKIP) = Id"
   C_assign  "C(x := a) = {(s,t). t = s[x:=a(s)]}"
   C_comp    "C(c0 ; c1) = C(c1) O C(c0)"
   C_if      "C(IF b THEN c1 ELSE c2) = {(s,t). (s,t) : C(c1) & b(s)} Un
@@ -27,5 +27,3 @@
   C_while   "C(WHILE b DO c) = lfp (Gamma b (C c))"
 
 end
-
-
--- a/src/HOL/Lex/NA.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/Lex/NA.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -25,7 +25,7 @@
 
 consts steps :: "('a,'s)na => 'a list => ('s * 's)set"
 primrec
-"steps A [] = id"
+"steps A [] = Id"
 "steps A (a#w) = steps A w  O  step A a"
 
 end
--- a/src/HOL/Lex/RegExp2NAe.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/Lex/RegExp2NAe.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -152,7 +152,7 @@
 (***** Epsilonhuelle des Startzustands  *****)
 
 Goal
- "R^* = id Un (R^* O R)";
+ "R^* = Id Un (R^* O R)";
 by (rtac set_ext 1);
 by (split_all_tac 1);
 by (rtac iffI 1);
--- a/src/HOL/RelPow.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/RelPow.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -9,7 +9,7 @@
 RelPow = Nat +
 
 primrec
-  "R^0 = id"
+  "R^0 = Id"
   "R^(Suc n) = R O (R^n)"
 
 end
--- a/src/HOL/Relation.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/Relation.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -8,22 +8,22 @@
 
 (** Identity relation **)
 
-Goalw [id_def] "(a,a) : id";  
+Goalw [Id_def] "(a,a) : Id";  
 by (Blast_tac 1);
-qed "idI";
+qed "IdI";
 
-val major::prems = Goalw [id_def]
-    "[| p: id;  !!x.[| p = (x,x) |] ==> P  \
+val major::prems = Goalw [Id_def]
+    "[| p: Id;  !!x.[| p = (x,x) |] ==> P  \
 \    |] ==>  P";  
 by (rtac (major RS CollectE) 1);
 by (etac exE 1);
 by (eresolve_tac prems 1);
-qed "idE";
+qed "IdE";
 
-Goalw [id_def] "(a,b):id = (a=b)";
+Goalw [Id_def] "(a,b):Id = (a=b)";
 by (Blast_tac 1);
-qed "pair_in_id_conv";
-Addsimps [pair_in_id_conv];
+qed "pair_in_Id_conv";
+Addsimps [pair_in_Id_conv];
 
 
 (** Composition of two relations **)
@@ -51,18 +51,18 @@
 by (REPEAT (ares_tac prems 1 ORELSE eresolve_tac [Pair_inject,ssubst] 1));
 qed "compEpair";
 
-AddIs [compI, idI];
-AddSEs [compE, idE];
+AddIs [compI, IdI];
+AddSEs [compE, IdE];
 
-Goal "R O id = R";
+Goal "R O Id = R";
 by (Fast_tac 1);
-qed "R_O_id";
+qed "R_O_Id";
 
-Goal "id O R = R";
+Goal "Id O R = R";
 by (Fast_tac 1);
-qed "id_O_R";
+qed "Id_O_R";
 
-Addsimps [R_O_id,id_O_R];
+Addsimps [R_O_Id,Id_O_R];
 
 Goal "(R O S) O T = R O (S O T)";
 by (Blast_tac 1);
@@ -124,10 +124,10 @@
 by (Blast_tac 1);
 qed "converse_comp";
 
-Goal "id^-1 = id";
+Goal "Id^-1 = Id";
 by (Blast_tac 1);
-qed "converse_id";
-Addsimps [converse_id];
+qed "converse_Id";
+Addsimps [converse_Id];
 
 (** Domain **)
 
@@ -147,10 +147,10 @@
 AddIs  [DomainI];
 AddSEs [DomainE];
 
-Goal "Domain id = UNIV";
+Goal "Domain Id = UNIV";
 by (Blast_tac 1);
-qed "Domain_id";
-Addsimps [Domain_id];
+qed "Domain_Id";
+Addsimps [Domain_Id];
 
 (** Range **)
 
@@ -167,10 +167,10 @@
 AddIs  [RangeI];
 AddSEs [RangeE];
 
-Goal "Range id = UNIV";
+Goal "Range Id = UNIV";
 by (Blast_tac 1);
-qed "Range_id";
-Addsimps [Range_id];
+qed "Range_Id";
+Addsimps [Range_Id];
 
 (*** Image of a set under a relation ***)
 
@@ -213,11 +213,11 @@
 
 Addsimps [Image_empty];
 
-Goal "id ^^ A = A";
+Goal "Id ^^ A = A";
 by (Blast_tac 1);
-qed "Image_id";
+qed "Image_Id";
 
-Addsimps [Image_id];
+Addsimps [Image_Id];
 
 qed_goal "Image_Int_subset" thy
     "R ^^ (A Int B) <= R ^^ A Int R ^^ B"
--- a/src/HOL/Relation.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/Relation.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -6,7 +6,7 @@
 
 Relation = Prod +
 consts
-    id          :: "('a * 'a)set"               (*the identity relation*)
+    Id          :: "('a * 'a)set"               (*the identity relation*)
     O           :: "[('b * 'c)set, ('a * 'b)set] => ('a * 'c)set" (infixr 60)
     converse    :: "('a*'b) set => ('b*'a) set"     ("(_^-1)" [1000] 999)
     "^^"        :: "[('a*'b) set,'a set] => 'b set" (infixl 90)
@@ -15,7 +15,7 @@
     trans       :: "('a * 'a)set => bool"       (*transitivity predicate*)
     Univalent   :: "('a * 'b)set => bool"
 defs
-    id_def        "id == {p. ? x. p = (x,x)}"
+    Id_def        "Id == {p. ? x. p = (x,x)}"
     comp_def      "r O s == {(x,z). ? y. (x,y):s & (y,z):r}"
     converse_def   "r^-1 == {(y,x). (x,y):r}"
     Domain_def    "Domain(r) == {x. ? y. (x,y):r}"
--- a/src/HOL/Trancl.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/Trancl.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -10,7 +10,7 @@
 
 (** The relation rtrancl **)
 
-Goal "mono(%s. id Un (r O s))";
+Goal "mono(%s. Id Un (r O s))";
 by (rtac monoI 1);
 by (REPEAT (ares_tac [monoI, subset_refl, comp_mono, Un_mono] 1));
 qed "rtrancl_fun_mono";
@@ -343,6 +343,6 @@
   (K [auto_tac (claset() addEs [trancl_induct], simpset())]);
 Addsimps[trancl_empty];
 
-qed_goal "rtrancl_empty" Trancl.thy "{}^* = id" 
+qed_goal "rtrancl_empty" Trancl.thy "{}^* = Id" 
   (K [rtac (reflcl_trancl RS subst) 1, Simp_tac 1]);
 Addsimps[rtrancl_empty];
--- a/src/HOL/Trancl.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/Trancl.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -17,7 +17,7 @@
 
 constdefs
   rtrancl :: "('a * 'a)set => ('a * 'a)set"   ("(_^*)" [1000] 999)
-  "r^*  ==  lfp(%s. id Un (r O s))"
+  "r^*  ==  lfp(%s. Id Un (r O s))"
 
   trancl  :: "('a * 'a)set => ('a * 'a)set"   ("(_^+)" [1000] 999)
   "r^+  ==  r O rtrancl(r)"
@@ -26,6 +26,6 @@
   reflcl  :: "('a*'a)set => ('a*'a)set"       ("(_^=)" [1000] 999)
 
 translations
-  "r^=" == "r Un id"
+  "r^=" == "r Un Id"
 
 end
--- a/src/HOL/UNITY/Channel.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/UNITY/Channel.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -18,7 +18,7 @@
 
 rules
 
-  skip "id: acts"
+  skip "Id: acts"
 
   UC1  "constrains acts (minSet -`` {Some x}) (minSet -`` (Some``atLeast x))"
 
--- a/src/HOL/UNITY/Common.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/UNITY/Common.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -31,7 +31,7 @@
 (*** Some programs that implement the safety property above ***)
 
 (*This one is just Skip*)
-Goal "constrains {id} {m} (maxfg m)";
+Goal "constrains {Id} {m} (maxfg m)";
 by (simp_tac (simpset() addsimps [constrains_def, maxfg_def, le_max_iff_disj,
 				  fasc, gasc]) 1);
 result();
--- a/src/HOL/UNITY/Token.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/UNITY/Token.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -43,7 +43,7 @@
   assumes
     N_positive "0<N"
 
-    skip "id: acts"
+    skip "Id: acts"
 
     TR2  "!!i. constrains acts (T i) (T i Un H i)"
 
--- a/src/HOL/UNITY/Traces.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/UNITY/Traces.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -17,18 +17,18 @@
 		 Rep_Program_inverse, Abs_Program_inverse];
 
 
-Goal "id: Acts prg";
+Goal "Id: Acts prg";
 by (cut_inst_tac [("x", "prg")] Rep_Program 1);
 by (auto_tac (claset(), rep_ss));
-qed "id_in_Acts";
-AddIffs [id_in_Acts];
+qed "Id_in_Acts";
+AddIffs [Id_in_Acts];
 
 
 Goal "Init (mk_program (init,acts)) = init";
 by (auto_tac (claset(), rep_ss));
 qed "Init_eq";
 
-Goal "Acts (mk_program (init,acts)) = insert id acts";
+Goal "Acts (mk_program (init,acts)) = insert Id acts";
 by (auto_tac (claset(), rep_ss));
 qed "Acts_eq";
 
@@ -47,7 +47,7 @@
 
 val [rew] = goal thy
     "[| prg == mk_program (init,acts) |] \
-\    ==> Init prg = init & Acts prg = insert id acts";
+\    ==> Init prg = init & Acts prg = insert Id acts";
 by (rewtac rew);
 by Auto_tac;
 qed "def_prg_simps";
--- a/src/HOL/UNITY/Traces.thy	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/UNITY/Traces.thy	Fri Oct 02 14:28:39 1998 +0200
@@ -25,11 +25,11 @@
 
 
 typedef (Program)
-  'a program = "{(init:: 'a set, acts :: ('a * 'a)set set). id:acts}"
+  'a program = "{(init:: 'a set, acts :: ('a * 'a)set set). Id:acts}"
 
 constdefs
     mk_program :: "('a set * ('a * 'a)set set) => 'a program"
-    "mk_program == %(init, acts). Abs_Program (init, insert id acts)"
+    "mk_program == %(init, acts). Abs_Program (init, insert Id acts)"
 
     Init :: "'a program => 'a set"
     "Init prg == fst (Rep_Program prg)"
--- a/src/HOL/UNITY/UNITY.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/UNITY/UNITY.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -97,12 +97,12 @@
 by (Blast_tac 1);
 qed "all_constrains_INT";
 
-Goalw [constrains_def] "[| constrains acts A A'; id: acts |] ==> A<=A'";
+Goalw [constrains_def] "[| constrains acts A A'; Id: acts |] ==> A<=A'";
 by (Blast_tac 1);
 qed "constrains_imp_subset";
 
 Goalw [constrains_def]
-    "[| id: acts; constrains acts A B; constrains acts B C |]   \
+    "[| Id: acts; constrains acts A B; constrains acts B C |]   \
 \    ==> constrains acts A C";
 by (Blast_tac 1);
 qed "constrains_trans";
@@ -160,7 +160,7 @@
 
 
 Goalw [constrains_def]
-   "[| constrains acts A (A' Un B); constrains acts B B'; id: acts |] \
+   "[| constrains acts A (A' Un B); constrains acts B B'; Id: acts |] \
 \   ==> constrains acts A (A' Un B')";
 by (Blast_tac 1);
 qed "constrains_cancel";
--- a/src/HOL/UNITY/Union.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/UNITY/Union.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -21,7 +21,7 @@
 by (simp_tac (simpset() addsimps [JOIN_def]) 1);
 qed "Init_JN";
 
-Goal "Acts (JN i:I. prg i) = insert id (UN i:I. Acts (prg i))";
+Goal "Acts (JN i:I. prg i) = insert Id (UN i:I. Acts (prg i))";
 by (auto_tac (claset(), simpset() addsimps [JOIN_def]));
 qed "Acts_JN";
 
@@ -142,7 +142,7 @@
 qed "ensures_Join";
 
 Goalw [stable_def, constrains_def, Join_def]
-    "[| stable (Acts prgF) A;  constrains (Acts prgG) A A';  id: Acts prgG |] \
+    "[| stable (Acts prgF) A;  constrains (Acts prgG) A A';  Id: Acts prgG |] \
 \    ==> constrains (Acts (Join prgF prgG)) A A'";
 by (asm_simp_tac (simpset() addsimps [ball_Un]) 1);
 by (Blast_tac 1);
--- a/src/HOL/UNITY/WFair.ML	Fri Oct 02 10:44:20 1998 +0200
+++ b/src/HOL/UNITY/WFair.ML	Fri Oct 02 14:28:39 1998 +0200
@@ -125,7 +125,7 @@
 qed "leadsTo_induct";
 
 
-Goal "[| A<=B;  id: acts |] ==> leadsTo acts A B";
+Goal "[| A<=B;  Id: acts |] ==> leadsTo acts A B";
 by (rtac leadsTo_Basis 1);
 by (rewrite_goals_tac [ensures_def, constrains_def, transient_def]);
 by (Blast_tac 1);
@@ -136,7 +136,7 @@
 
 
 (*There's a direct proof by leadsTo_Trans and subset_imp_leadsTo, but it
-  needs the extra premise id:acts*)
+  needs the extra premise Id:acts*)
 Goal "leadsTo acts A A' ==> A'<=B' --> leadsTo acts A B'";
 by (etac leadsTo_induct 1);
 by (Clarify_tac 3);
@@ -146,30 +146,30 @@
 qed_spec_mp "leadsTo_weaken_R";
 
 
-Goal "[| leadsTo acts A A'; B<=A; id: acts |] ==>  \
+Goal "[| leadsTo acts A A'; B<=A; Id: acts |] ==>  \
 \         leadsTo acts B A'";
 by (blast_tac (claset() addIs [leadsTo_Basis, leadsTo_Trans, 
 			       subset_imp_leadsTo]) 1);
 qed_spec_mp "leadsTo_weaken_L";
 
 (*Distributes over binary unions*)
-Goal "id: acts ==> \
+Goal "Id: acts ==> \
 \       leadsTo acts (A Un B) C  =  (leadsTo acts A C & leadsTo acts B C)";
 by (blast_tac (claset() addIs [leadsTo_Un, leadsTo_weaken_L]) 1);
 qed "leadsTo_Un_distrib";
 
-Goal "id: acts ==> \
+Goal "Id: acts ==> \
 \       leadsTo acts (UN i:I. A i) B  =  (ALL i : I. leadsTo acts (A i) B)";
 by (blast_tac (claset() addIs [leadsTo_UN, leadsTo_weaken_L]) 1);
 qed "leadsTo_UN_distrib";
 
-Goal "id: acts ==> \
+Goal "Id: acts ==> \
 \       leadsTo acts (Union S) B  =  (ALL A : S. leadsTo acts A B)";
 by (blast_tac (claset() addIs [leadsTo_Union, leadsTo_weaken_L]) 1);
 qed "leadsTo_Union_distrib";
 
 
-Goal "[| leadsTo acts A A'; id: acts; B<=A; A'<=B' |] \
+Goal "[| leadsTo acts A A'; Id: acts; B<=A; A'<=B' |] \
 \   ==> leadsTo acts B B'";
 by (blast_tac (claset() addIs [leadsTo_weaken_R, leadsTo_weaken_L,
 			       leadsTo_Trans]) 1);
@@ -177,7 +177,7 @@
 
 
 (*Set difference: maybe combine with leadsTo_weaken_L??*)
-Goal "[| leadsTo acts (A-B) C; leadsTo acts B C; id: acts |] \
+Goal "[| leadsTo acts (A-B) C; leadsTo acts B C; Id: acts |] \
 \       ==> leadsTo acts A C";
 by (blast_tac (claset() addIs [leadsTo_Un, leadsTo_weaken]) 1);
 qed "leadsTo_Diff";
@@ -220,26 +220,26 @@
 
 (** The cancellation law **)
 
-Goal "[| leadsTo acts A (A' Un B); leadsTo acts B B'; id: acts |] \
+Goal "[| leadsTo acts A (A' Un B); leadsTo acts B B'; Id: acts |] \
 \   ==> leadsTo acts A (A' Un B')";
 by (blast_tac (claset() addIs [leadsTo_Un_Un, 
 			       subset_imp_leadsTo, leadsTo_Trans]) 1);
 qed "leadsTo_cancel2";
 
-Goal "[| leadsTo acts A (A' Un B); leadsTo acts (B-A') B'; id: acts |] \
+Goal "[| leadsTo acts A (A' Un B); leadsTo acts (B-A') B'; Id: acts |] \
 \   ==> leadsTo acts A (A' Un B')";
 by (rtac leadsTo_cancel2 1);
 by (assume_tac 2);
 by (ALLGOALS Asm_simp_tac);
 qed "leadsTo_cancel_Diff2";
 
-Goal "[| leadsTo acts A (B Un A'); leadsTo acts B B'; id: acts |] \
+Goal "[| leadsTo acts A (B Un A'); leadsTo acts B B'; Id: acts |] \
 \   ==> leadsTo acts A (B' Un A')";
 by (asm_full_simp_tac (simpset() addsimps [Un_commute]) 1);
 by (blast_tac (claset() addSIs [leadsTo_cancel2]) 1);
 qed "leadsTo_cancel1";
 
-Goal "[| leadsTo acts A (B Un A'); leadsTo acts (B-A') B'; id: acts |] \
+Goal "[| leadsTo acts A (B Un A'); leadsTo acts (B-A') B'; Id: acts |] \
 \   ==> leadsTo acts A (B' Un A')";
 by (rtac leadsTo_cancel1 1);
 by (assume_tac 2);
@@ -264,7 +264,7 @@
 
 (** PSP: Progress-Safety-Progress **)
 
-(*Special case of PSP: Misra's "stable conjunction".  Doesn't need id:acts. *)
+(*Special case of PSP: Misra's "stable conjunction".  Doesn't need Id:acts. *)
 Goalw [stable_def]
    "[| leadsTo acts A A'; stable acts B |] \
 \   ==> leadsTo acts (A Int B) (A' Int B)";
@@ -290,7 +290,7 @@
 by (blast_tac (claset() addIs [transient_strengthen]) 1);
 qed "psp_ensures";
 
-Goal "[| leadsTo acts A A'; constrains acts B B'; id: acts |] \
+Goal "[| leadsTo acts A A'; constrains acts B B'; Id: acts |] \
 \           ==> leadsTo acts (A Int B) ((A' Int B) Un (B' - B))";
 by (etac leadsTo_induct 1);
 by (simp_tac (simpset() addsimps [Int_Union_Union]) 3);
@@ -304,14 +304,14 @@
 by (blast_tac (claset() addIs [leadsTo_Basis, psp_ensures]) 1);
 qed "psp";
 
-Goal "[| leadsTo acts A A'; constrains acts B B'; id: acts |] \
+Goal "[| leadsTo acts A A'; constrains acts B B'; Id: acts |] \
 \   ==> leadsTo acts (B Int A) ((B Int A') Un (B' - B))";
 by (asm_simp_tac (simpset() addsimps psp::Int_ac) 1);
 qed "psp2";
 
 
 Goalw [unless_def]
-   "[| leadsTo acts A A'; unless acts B B'; id: acts |] \
+   "[| leadsTo acts A A'; unless acts B B'; Id: acts |] \
 \   ==> leadsTo acts (A Int B) ((A' Int B) Un B')";
 by (dtac psp 1);
 by (assume_tac 1);
@@ -330,7 +330,7 @@
 Goal "[| wf r;     \
 \        ALL m. leadsTo acts (A Int f-``{m})                     \
 \                            ((A Int f-``(r^-1 ^^ {m})) Un B);   \
-\        id: acts |] \
+\        Id: acts |] \
 \     ==> leadsTo acts (A Int f-``{m}) B";
 by (eres_inst_tac [("a","m")] wf_induct 1);
 by (subgoal_tac "leadsTo acts (A Int (f -`` (r^-1 ^^ {x}))) B" 1);
@@ -345,7 +345,7 @@
 Goal "[| wf r;     \
 \        ALL m. leadsTo acts (A Int f-``{m})                     \
 \                            ((A Int f-``(r^-1 ^^ {m})) Un B);   \
-\        id: acts |] \
+\        Id: acts |] \
 \     ==> leadsTo acts A B";
 by (res_inst_tac [("t", "A")] subst 1);
 by (rtac leadsTo_UN 2);
@@ -358,7 +358,7 @@
 Goal "[| wf r;     \
 \        ALL m:I. leadsTo acts (A Int f-``{m})                   \
 \                              ((A Int f-``(r^-1 ^^ {m})) Un B);   \
-\        id: acts |] \
+\        Id: acts |] \
 \     ==> leadsTo acts A ((A - (f-``I)) Un B)";
 by (etac leadsTo_wf_induct 1);
 by Safe_tac;
@@ -371,7 +371,7 @@
 (*Alternative proof is via the lemma leadsTo acts (A Int f-``(lessThan m)) B*)
 Goal "[| ALL m. leadsTo acts (A Int f-``{m})                     \
 \                            ((A Int f-``(lessThan m)) Un B);   \
-\        id: acts |] \
+\        Id: acts |] \
 \     ==> leadsTo acts A B";
 by (rtac (wf_less_than RS leadsTo_wf_induct) 1);
 by (assume_tac 2);
@@ -380,7 +380,7 @@
 
 Goal "[| ALL m:(greaterThan l). leadsTo acts (A Int f-``{m})   \
 \                                  ((A Int f-``(lessThan m)) Un B);   \
-\        id: acts |] \
+\        Id: acts |] \
 \     ==> leadsTo acts A ((A Int (f-``(atMost l))) Un B)";
 by (simp_tac (HOL_ss addsimps [Diff_eq RS sym, vimage_Compl, Compl_greaterThan RS sym]) 1);
 by (rtac (wf_less_than RS bounded_induct) 1);
@@ -390,7 +390,7 @@
 
 Goal "[| ALL m:(lessThan l). leadsTo acts (A Int f-``{m})   \
 \                              ((A Int f-``(greaterThan m)) Un B);   \
-\        id: acts |] \
+\        Id: acts |] \
 \     ==> leadsTo acts A ((A Int (f-``(atLeast l))) Un B)";
 by (res_inst_tac [("f","f"),("f1", "%k. l - k")]
     (wf_less_than RS wf_inv_image RS leadsTo_wf_induct) 1);
@@ -416,13 +416,13 @@
 qed "leadsTo_subset";
 
 (*Misra's property W2*)
-Goal "id: acts ==> leadsTo acts A B = (A <= wlt acts B)";
+Goal "Id: acts ==> leadsTo acts A B = (A <= wlt acts B)";
 by (blast_tac (claset() addSIs [leadsTo_subset, 
 				wlt_leadsTo RS leadsTo_weaken_L]) 1);
 qed "leadsTo_eq_subset_wlt";
 
 (*Misra's property W4*)
-Goal "id: acts ==> B <= wlt acts B";
+Goal "Id: acts ==> B <= wlt acts B";
 by (asm_simp_tac (simpset() addsimps [leadsTo_eq_subset_wlt RS sym,
 				      subset_imp_leadsTo]) 1);
 qed "wlt_increasing";
@@ -439,7 +439,7 @@
 
 
 (*Lemma (1,2,3) of Misra's draft book, Chapter 4, "Progress"*)
-Goal "[| leadsTo acts A A';  id: acts |] ==> \
+Goal "[| leadsTo acts A A';  Id: acts |] ==> \
 \      EX B. A<=B & leadsTo acts B A' & constrains acts (B-A') (B Un A')";
 by (etac leadsTo_induct 1);
 (*Basis*)
@@ -459,7 +459,7 @@
 
 
 (*Misra's property W5*)
-Goal "id: acts ==> constrains acts (wlt acts B - B) (wlt acts B)";
+Goal "Id: acts ==> constrains acts (wlt acts B - B) (wlt acts B)";
 by (forward_tac [wlt_leadsTo RS leadsTo_123] 1);
 by (Clarify_tac 1);
 by (subgoal_tac "Ba = wlt acts B" 1);
@@ -472,7 +472,7 @@
 (*** Completion: Binary and General Finite versions ***)
 
 Goal "[| leadsTo acts A A';  stable acts A';   \
-\        leadsTo acts B B';  stable acts B';  id: acts |] \
+\        leadsTo acts B B';  stable acts B';  Id: acts |] \
 \   ==> leadsTo acts (A Int B) (A' Int B')";
 by (subgoal_tac "stable acts (wlt acts B')" 1);
 by (asm_full_simp_tac (simpset() addsimps [stable_def]) 2);
@@ -491,7 +491,7 @@
 qed "stable_completion";
 
 
-Goal "[| finite I;  id: acts |]                     \
+Goal "[| finite I;  Id: acts |]                     \
 \   ==> (ALL i:I. leadsTo acts (A i) (A' i)) -->  \
 \       (ALL i:I. stable acts (A' i)) -->         \
 \       leadsTo acts (INT i:I. A i) (INT i:I. A' i)";
@@ -506,7 +506,7 @@
 Goal "[| W = wlt acts (B' Un C);     \
 \      leadsTo acts A (A' Un C);  constrains acts A' (A' Un C);   \
 \      leadsTo acts B (B' Un C);  constrains acts B' (B' Un C);   \
-\      id: acts |] \
+\      Id: acts |] \
 \   ==> leadsTo acts (A Int B) ((A' Int B') Un C)";
 by (subgoal_tac "constrains acts (W-C) (W Un B' Un C)" 1);
 by (blast_tac (claset() addIs [[asm_rl, wlt_constrains_wlt] 
@@ -533,7 +533,7 @@
 bind_thm("completion", refl RS result());
 
 
-Goal "[| finite I;  id: acts |] \
+Goal "[| finite I;  Id: acts |] \
 \   ==> (ALL i:I. leadsTo acts (A i) (A' i Un C)) -->  \
 \       (ALL i:I. constrains acts (A' i) (A' i Un C)) --> \
 \       leadsTo acts (INT i:I. A i) ((INT i:I. A' i) Un C)";