obsolete;

--- a/src/HOL/ex/StringEx.thy	Sun Oct 01 18:29:36 2006 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,29 +0,0 @@
-(* $Id$ *)
-
-header {* String examples *}
-
-theory StringEx imports Main begin
-
-lemma "hd ''ABCD'' = CHR ''A''"
-  by simp
-
-lemma "hd ''ABCD'' \<noteq> CHR ''B''"
-  by simp
-
-lemma "''ABCD'' \<noteq> ''ABCX''"
-  by simp
-
-lemma "''ABCD'' = ''ABCD''"
-  by simp
-
-lemma "''ABCDEFGHIJKLMNOPQRSTUVWXYZ'' \<noteq>
-  ''ABCDEFGHIJKLMNOPQRSTUVWXY''"
-  by simp
-
-lemma "set ''Foobar'' = {CHR ''F'', CHR ''a'', CHR ''b'', CHR ''o'', CHR ''r''}"
-  by (simp add: insert_commute)
-
-lemma "set ''Foobar'' = ?X"
-  by (simp add: insert_commute)
-
-end

--- a/src/HOL/ex/svc_test.ML	Sun Oct 01 18:29:36 2006 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,254 +0,0 @@
-(*  Title:      HOL/ex/svc_test.ML
-    ID:         $Id$
-    Author:     Lawrence C Paulson
-    Copyright   1999  University of Cambridge
-
-Demonstrating svc_tac: the interface to the Stanford Validity Checker
-
-SVC is assumed to be present if the environment variable SVC_HOME is non-empty.
-
-set Svc.trace;
-*)
-
-(** Propositional Logic **)
-
-(*Blast_tac's runtime for this type of problem appears to be exponential
-  in its length, though Fast_tac manages*)
-Goal "P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P=P";
-by (svc_tac 1);
-qed "";
-
-(** Some big tautologies supplied by John Harrison **)
-
-(*Tautology name: puz013_1.  Auto_tac manages; Blast_tac and Fast_tac take
-  a minute or more.*)
-Goal "~(~v12 & \
-\  v0 & \
-\  v10 & \
-\  (v4 | v5) & \
-\  (v9 | v2) & \
-\  (v8 | v1) & \
-\  (v7 | v0) & \
-\  (v3 | v12) & \
-\  (v11 | v10) & \
-\  (~v12 | ~v6 | v7) & \
-\  (~v10 | ~v3 | v1) & \
-\  (~v10 | ~v0 | ~v4 | v11) & \
-\  (~v5 | ~v2 | ~v8) & \
-\  (~v12 | ~v9 | ~v7) & \
-\  (~v0 | ~v1 | v4) & \
-\  (~v4 | v7 | v2) & \
-\  (~v12 | ~v3 | v8) & \
-\  (~v4 | v5 | v6) & \
-\  (~v7 | ~v8 | v9) & \
-\  (~v10 | ~v11 | v12))";
-by (svc_tac 1);
-qed "";
-
-(*Tautology name: dk17_be*)
-Goal "(GE17 <-> ~IN4 & ~IN3 & ~IN2 & ~IN1) & \
-\   (GE0 <-> GE17 & ~IN5) & \
-\   (GE22 <-> ~IN9 & ~IN7 & ~IN6 & IN0) & \
-\   (GE19 <-> ~IN5 & ~IN4 & ~IN3 & ~IN0) & \
-\   (GE20 <-> ~IN7 & ~IN6) & \
-\   (GE18 <-> ~IN6 & ~IN2 & ~IN1 & ~IN0) & \
-\   (GE21 <-> IN9 & ~IN7 & IN6 & ~IN0) & \
-\   (GE23 <-> GE22 & GE0) & \
-\   (GE25 <-> ~IN9 & ~IN7 & IN6 & ~IN0) & \
-\   (GE26 <-> IN9 & ~IN7 & ~IN6 & IN0) & \
-\   (GE2 <-> GE20 & GE19) & \
-\   (GE1 <-> GE18 & ~IN7) & \
-\   (GE24 <-> GE23 | GE21 & GE0) & \
-\   (GE5 <-> ~IN5 & IN4 | IN5 & ~IN4) & \
-\   (GE6 <-> GE0 & IN7 & ~IN6 & ~IN0) & \
-\   (GE12 <-> GE26 & GE0 | GE25 & GE0) & \
-\   (GE14 <-> GE2 & IN8 & ~IN2 & IN1) & \
-\   (GE27 <-> ~IN8 & IN5 & ~IN4 & ~IN3) & \
-\   (GE9 <-> GE1 & ~IN5 & ~IN4 & IN3) & \
-\   (GE7 <-> GE24 | GE2 & IN2 & ~IN1) & \
-\   (GE10 <-> GE6 | GE5 & GE1 & ~IN3) & \
-\   (GE15 <-> ~IN8 | IN9) & \
-\   (GE16 <-> GE12 | GE14 & ~IN9) & \
-\   (GE4 <-> \
-\    GE5 & GE1 & IN8 & ~IN3 | \
-\    GE0 & ~IN7 & IN6 & ~IN0 | \
-\    GE2 & IN2 & ~IN1) & \
-\   (GE13 <-> GE27 & GE1) & \
-\   (GE11 <-> GE9 | GE6 & ~IN8) & \
-\   (GE8 <-> GE1 & ~IN5 & IN4 & ~IN3 | GE2 & ~IN2 & IN1) & \
-\   (OUT0 <-> GE7 & ~IN8) & \
-\   (OUT1 <-> GE7 & IN8) & \
-\   (OUT2 <-> GE8 & ~IN9 | GE10 & IN8) & \
-\   (OUT3 <-> GE8 & IN9 & ~IN8 | GE11 & ~IN9 | GE12 & ~IN8) & \
-\   (OUT4 <-> GE11 & IN9 | GE12 & IN8) & \
-\   (OUT5 <-> GE14 & IN9) & \
-\   (OUT6 <-> GE13 & ~IN9) & \
-\   (OUT7 <-> GE13 & IN9) & \
-\   (OUT8 <-> GE9 & ~IN8 | GE15 & GE6 | GE4 & IN9) & \
-\   (OUT9 <-> GE9 & IN8 | ~GE15 & GE10 | GE16) & \
-\   (OUT10 <-> GE7) & \
-\   (WRES0 <-> ~IN5 & ~IN4 & ~IN3 & ~IN2 & ~IN1) & \
-\   (WRES1 <-> ~IN7 & ~IN6 & ~IN2 & ~IN1 & ~IN0) & \
-\   (WRES2 <-> ~IN7 & ~IN6 & ~IN5 & ~IN4 & ~IN3 & ~IN0) & \
-\   (WRES5 <-> ~IN5 & IN4 | IN5 & ~IN4) & \
-\   (WRES6 <-> WRES0 & IN7 & ~IN6 & ~IN0) & \
-\   (WRES9 <-> WRES1 & ~IN5 & ~IN4 & IN3) & \
-\   (WRES7 <-> \
-\    WRES0 & ~IN9 & ~IN7 & ~IN6 & IN0 | \
-\    WRES0 & IN9 & ~IN7 & IN6 & ~IN0 | \
-\    WRES2 & IN2 & ~IN1) & \
-\   (WRES10 <-> WRES6 | WRES5 & WRES1 & ~IN3) & \
-\   (WRES12 <-> \
-\    WRES0 & IN9 & ~IN7 & ~IN6 & IN0 | \
-\    WRES0 & ~IN9 & ~IN7 & IN6 & ~IN0) & \
-\   (WRES14 <-> WRES2 & IN8 & ~IN2 & IN1) & \
-\   (WRES15 <-> ~IN8 | IN9) & \
-\   (WRES4 <-> \
-\    WRES5 & WRES1 & IN8 & ~IN3 | \
-\    WRES2 & IN2 & ~IN1 | \
-\    WRES0 & ~IN7 & IN6 & ~IN0) & \
-\   (WRES13 <-> WRES1 & ~IN8 & IN5 & ~IN4 & ~IN3) & \
-\   (WRES11 <-> WRES9 | WRES6 & ~IN8) & \
-\   (WRES8 <-> WRES1 & ~IN5 & IN4 & ~IN3 | WRES2 & ~IN2 & IN1) \
-\   --> (OUT10 <-> WRES7) & \
-\       (OUT9 <-> WRES9 & IN8 | WRES12 | WRES14 & ~IN9 | ~WRES15 & WRES10) & \
-\       (OUT8 <-> WRES9 & ~IN8 | WRES15 & WRES6 | WRES4 & IN9) & \
-\       (OUT7 <-> WRES13 & IN9) & \
-\       (OUT6 <-> WRES13 & ~IN9) & \
-\       (OUT5 <-> WRES14 & IN9) & \
-\       (OUT4 <-> WRES11 & IN9 | WRES12 & IN8) & \
-\       (OUT3 <-> WRES8 & IN9 & ~IN8 | WRES11 & ~IN9 | WRES12 & ~IN8) & \
-\       (OUT2 <-> WRES8 & ~IN9 | WRES10 & IN8) & \
-\       (OUT1 <-> WRES7 & IN8) & \
-\       (OUT0 <-> WRES7 & ~IN8)";
-by (svc_tac 1);
-qed "";
-
-(*Tautology name: sqn_be.  Fast_tac only takes a couple of seconds.*)
-Goal "(GE0 <-> IN6 & IN1 | ~IN6 & ~IN1) & \
-\  (GE8 <-> ~IN3 & ~IN1) & \
-\  (GE5 <-> IN6 | IN5) & \
-\  (GE9 <-> ~GE0 | IN2 | ~IN5) & \
-\  (GE1 <-> IN3 | ~IN0) & \
-\  (GE11 <-> GE8 & IN4) & \
-\  (GE3 <-> ~IN4 | ~IN2) & \
-\  (GE34 <-> ~GE5 & IN4 | ~GE9) & \
-\  (GE2 <-> ~IN4 & IN1) & \
-\  (GE14 <-> ~GE1 & ~IN4) & \
-\  (GE19 <-> GE11 & ~GE5) & \
-\  (GE13 <-> GE8 & ~GE3 & ~IN0) & \
-\  (GE20 <-> ~IN5 & IN2 | GE34) & \
-\  (GE12 <-> GE2 & ~IN3) & \
-\  (GE27 <-> GE14 & IN6 | GE19) & \
-\  (GE10 <-> ~IN6 | IN5) & \
-\  (GE28 <-> GE13 | GE20 & ~GE1) & \
-\  (GE6 <-> ~IN5 | IN6) & \
-\  (GE15 <-> GE2 & IN2) & \
-\  (GE29 <-> GE27 | GE12 & GE5) & \
-\  (GE4 <-> IN3 & ~IN0) & \
-\  (GE21 <-> ~GE10 & ~IN1 | ~IN5 & ~IN2) & \
-\  (GE30 <-> GE28 | GE14 & IN2) & \
-\  (GE31 <-> GE29 | GE15 & ~GE6) & \
-\  (GE7 <-> ~IN6 | ~IN5) & \
-\  (GE17 <-> ~GE3 & ~IN1) & \
-\  (GE18 <-> GE4 & IN2) & \
-\  (GE16 <-> GE2 & IN0) & \
-\  (GE23 <-> GE19 | GE9 & ~GE1) & \
-\  (GE32 <-> GE15 & ~IN6 & ~IN0 | GE21 & GE4 & ~IN4 | GE30 | GE31) & \
-\  (GE33 <-> \
-\   GE18 & ~GE6 & ~IN4 | \
-\   GE17 & ~GE7 & IN3 | \
-\   ~GE7 & GE4 & ~GE3 | \
-\   GE11 & IN5 & ~IN0) & \
-\  (GE25 <-> GE14 & ~GE6 | GE13 & ~GE5 | GE16 & ~IN5 | GE15 & GE1) & \
-\  (GE26 <-> \
-\   GE12 & IN5 & ~IN2 | \
-\   GE10 & GE4 & IN1 | \
-\   GE17 & ~GE6 & IN0 | \
-\   GE2 & ~IN6) & \
-\  (GE24 <-> GE23 | GE16 & GE7) & \
-\  (OUT0 <-> \
-\   GE6 & IN4 & ~IN1 & IN0 | GE18 & GE0 & ~IN5 | GE12 & ~GE10 | GE24) & \
-\  (OUT1 <-> GE26 | GE25 | ~GE5 & GE4 & GE3 | GE7 & ~GE1 & IN1) & \
-\  (OUT2 <-> GE33 | GE32) & \
-\  (WRES8 <-> ~IN3 & ~IN1) & \
-\  (WRES0 <-> IN6 & IN1 | ~IN6 & ~IN1) & \
-\  (WRES2 <-> ~IN4 & IN1) & \
-\  (WRES3 <-> ~IN4 | ~IN2) & \
-\  (WRES1 <-> IN3 | ~IN0) & \
-\  (WRES4 <-> IN3 & ~IN0) & \
-\  (WRES5 <-> IN6 | IN5) & \
-\  (WRES11 <-> WRES8 & IN4) & \
-\  (WRES9 <-> ~WRES0 | IN2 | ~IN5) & \
-\  (WRES10 <-> ~IN6 | IN5) & \
-\  (WRES6 <-> ~IN5 | IN6) & \
-\  (WRES7 <-> ~IN6 | ~IN5) & \
-\  (WRES12 <-> WRES2 & ~IN3) & \
-\  (WRES13 <-> WRES8 & ~WRES3 & ~IN0) & \
-\  (WRES14 <-> ~WRES1 & ~IN4) & \
-\  (WRES15 <-> WRES2 & IN2) & \
-\  (WRES17 <-> ~WRES3 & ~IN1) & \
-\  (WRES18 <-> WRES4 & IN2) & \
-\  (WRES19 <-> WRES11 & ~WRES5) & \
-\  (WRES20 <-> ~IN5 & IN2 | ~WRES5 & IN4 | ~WRES9) & \
-\  (WRES21 <-> ~WRES10 & ~IN1 | ~IN5 & ~IN2) & \
-\  (WRES16 <-> WRES2 & IN0) \
-\  --> (OUT2 <-> \
-\       WRES11 & IN5 & ~IN0 | \
-\       ~WRES7 & WRES4 & ~WRES3 | \
-\       WRES12 & WRES5 | \
-\       WRES13 | \
-\       WRES14 & IN2 | \
-\       WRES14 & IN6 | \
-\       WRES15 & ~WRES6 | \
-\       WRES15 & ~IN6 & ~IN0 | \
-\       WRES17 & ~WRES7 & IN3 | \
-\       WRES18 & ~WRES6 & ~IN4 | \
-\       WRES20 & ~WRES1 | \
-\       WRES21 & WRES4 & ~IN4 | \
-\       WRES19) & \
-\      (OUT1 <-> \
-\       ~WRES5 & WRES4 & WRES3 | \
-\       WRES7 & ~WRES1 & IN1 | \
-\       WRES2 & ~IN6 | \
-\       WRES10 & WRES4 & IN1 | \
-\       WRES12 & IN5 & ~IN2 | \
-\       WRES13 & ~WRES5 | \
-\       WRES14 & ~WRES6 | \
-\       WRES15 & WRES1 | \
-\       WRES16 & ~IN5 | \
-\       WRES17 & ~WRES6 & IN0) & \
-\      (OUT0 <-> \
-\       WRES6 & IN4 & ~IN1 & IN0 | \
-\       WRES9 & ~WRES1 | \
-\       WRES12 & ~WRES10 | \
-\       WRES16 & WRES7 | \
-\       WRES18 & WRES0 & ~IN5 | \
-\       WRES19)";
-by (svc_tac 1);
-qed "";
-
-
-(** Linear arithmetic **)
-
-Goal "x ~= 14 & x ~= 13 & x ~= 12 & x ~= 11 & x ~= 10 & x ~= 9 & \
-\     x ~= 8 & x ~= 7 & x ~= 6 & x ~= 5 & x ~= 4 & x ~= 3 & \
-\     x ~= 2 & x ~= 1 & 0 < x & x < 16 --> 15 = (x::int)";
-by (svc_tac 1);
-qed "";
-
-(*merely to test polarity handling in the presence of biconditionals*)
-Goal "(x < (y::int)) = (x+1 <= y)";
-by (svc_tac 1);
-qed "";
-
-(** Natural number examples requiring implicit "non-negative" assumptions*)
-
-Goal "(3::nat)*a <= 2 + 4*b + 6*c  & 11 <= 2*a + b + 2*c & \
-\     a + 3*b <= 5 + 2*c  --> 2 + 3*b <= 2*a + 6*c";
-by (svc_tac 1);
-qed "";
-
-Goal "(n::nat) < 2 ==> (n = 0) | (n = 1)";
-by (svc_tac 1);
-qed "";