--- a/src/HOL/Subst/Subst.ML Mon Nov 03 12:12:10 1997 +0100
+++ b/src/HOL/Subst/Subst.ML Mon Nov 03 12:13:18 1997 +0100
@@ -41,7 +41,7 @@
qed "agreement";
goal Subst.thy "~ v: vars_of(t) --> t <| (v,u)#s = t <| s";
-by (simp_tac (!simpset addsimps [agreement] addsplits [expand_if]) 1);
+by (simp_tac (simpset() addsimps [agreement] addsplits [expand_if]) 1);
qed_spec_mp"repl_invariance";
val asms = goal Subst.thy
@@ -61,7 +61,7 @@
local fun prove s = prove_goal Subst.thy s
(fn prems => [cut_facts_tac prems 1,
REPEAT (etac rev_mp 1),
- simp_tac (!simpset addsimps [subst_eq_iff]) 1])
+ simp_tac (simpset() addsimps [subst_eq_iff]) 1])
in
val subst_refl = prove "r =$= r";
val subst_sym = prove "r =$= s ==> s =$= r";
@@ -111,31 +111,31 @@
by (induct_tac "t" 1);
by (ALLGOALS Asm_simp_tac);
by (alist_ind_tac "r" 1);
-by (ALLGOALS (asm_simp_tac (!simpset addsplits [expand_if])));
+by (ALLGOALS (asm_simp_tac (simpset() addsplits [expand_if])));
qed "subst_comp";
Addsimps [subst_comp];
goal Subst.thy "(q <> r) <> s =$= q <> (r <> s)";
-by (simp_tac (!simpset addsimps [subst_eq_iff]) 1);
+by (simp_tac (simpset() addsimps [subst_eq_iff]) 1);
qed "comp_assoc";
goal Subst.thy "!!s. [| theta =$= theta1; sigma =$= sigma1|] ==> \
\ (theta <> sigma) =$= (theta1 <> sigma1)";
-by (asm_full_simp_tac (!simpset addsimps [subst_eq_def]) 1);
+by (asm_full_simp_tac (simpset() addsimps [subst_eq_def]) 1);
qed "subst_cong";
goal Subst.thy "(w, Var(w) <| s) # s =$= s";
-by (simp_tac (!simpset addsimps [subst_eq_iff]) 1);
+by (simp_tac (simpset() addsimps [subst_eq_iff]) 1);
by (rtac allI 1);
by (induct_tac "t" 1);
-by (ALLGOALS (asm_full_simp_tac (!simpset addsplits [expand_if])));
+by (ALLGOALS (asm_full_simp_tac (simpset() addsplits [expand_if])));
qed "Cons_trivial";
goal Subst.thy "!!s. q <> r =$= s ==> t <| q <| r = t <| s";
-by (asm_full_simp_tac (!simpset addsimps [subst_eq_iff]) 1);
+by (asm_full_simp_tac (simpset() addsimps [subst_eq_iff]) 1);
qed "comp_subst_subst";
@@ -143,7 +143,7 @@
goal Subst.thy "(v : sdom(s)) = (Var(v) <| s ~= Var(v))";
by (alist_ind_tac "s" 1);
-by (ALLGOALS (asm_simp_tac (!simpset addsplits [expand_if])));
+by (ALLGOALS (asm_simp_tac (simpset() addsplits [expand_if])));
by (Blast_tac 1);
qed "sdom_iff";
@@ -160,50 +160,50 @@
goal Subst.thy "(t <| s = t) = (sdom(s) Int vars_of(t) = {})";
by (induct_tac "t" 1);
by (ALLGOALS
- (asm_full_simp_tac (!simpset addsimps [empty_iff_all_not, sdom_iff])));
+ (asm_full_simp_tac (simpset() addsimps [empty_iff_all_not, sdom_iff])));
by (ALLGOALS Blast_tac);
qed "invariance";
goal Subst.thy "v : sdom(s) --> v : vars_of(t <| s) --> v : srange(s)";
by (induct_tac "t" 1);
by (case_tac "a : sdom(s)" 1);
-by (ALLGOALS (asm_full_simp_tac (!simpset addsimps [sdom_iff, srange_iff])));
+by (ALLGOALS (asm_full_simp_tac (simpset() addsimps [sdom_iff, srange_iff])));
by (ALLGOALS Blast_tac);
qed_spec_mp "Var_in_srange";
goal Subst.thy
"!!v. [| v : sdom(s); v ~: srange(s) |] ==> v ~: vars_of(t <| s)";
-by (blast_tac (!claset addIs [Var_in_srange]) 1);
+by (blast_tac (claset() addIs [Var_in_srange]) 1);
qed "Var_elim";
goal Subst.thy "v : vars_of(t <| s) --> v : srange(s) | v : vars_of(t)";
by (induct_tac "t" 1);
-by (ALLGOALS (asm_full_simp_tac (!simpset addsimps [sdom_iff,srange_iff])));
+by (ALLGOALS (asm_full_simp_tac (simpset() addsimps [sdom_iff,srange_iff])));
by (Blast_tac 2);
-by (safe_tac (!claset addSIs [exI, vars_var_iff RS iffD1 RS sym]));
+by (safe_tac (claset() addSIs [exI, vars_var_iff RS iffD1 RS sym]));
by (Auto_tac());
qed_spec_mp "Var_intro";
goal Subst.thy
"v : srange(s) --> (? w. w : sdom(s) & v : vars_of(Var(w) <| s))";
-by (simp_tac (!simpset addsimps [srange_iff]) 1);
+by (simp_tac (simpset() addsimps [srange_iff]) 1);
qed_spec_mp "srangeD";
goal Subst.thy
"sdom(s) Int srange(s) = {} = (! t. sdom(s) Int vars_of(t <| s) = {})";
-by (simp_tac (!simpset addsimps [empty_iff_all_not]) 1);
-by (fast_tac (!claset addIs [Var_in_srange] addDs [srangeD]) 1);
+by (simp_tac (simpset() addsimps [empty_iff_all_not]) 1);
+by (fast_tac (claset() addIs [Var_in_srange] addDs [srangeD]) 1);
qed "dom_range_disjoint";
goal Subst.thy "!!u. ~ u <| s = u ==> (? x. x : sdom(s))";
-by (full_simp_tac (!simpset addsimps [empty_iff_all_not, invariance]) 1);
+by (full_simp_tac (simpset() addsimps [empty_iff_all_not, invariance]) 1);
by (Blast_tac 1);
qed "subst_not_empty";
goal Subst.thy "(M <| [(x, Var x)]) = M";
by (induct_tac "M" 1);
-by (ALLGOALS (asm_simp_tac (!simpset addsplits [expand_if])));
+by (ALLGOALS (asm_simp_tac (simpset() addsplits [expand_if])));
qed "id_subst_lemma";
Addsimps [id_subst_lemma];