--- a/src/HOLCF/Discrete1.ML Mon Jun 22 17:12:27 1998 +0200
+++ b/src/HOLCF/Discrete1.ML Mon Jun 22 17:13:09 1998 +0200
@@ -6,12 +6,12 @@
Proves that 'a discr is a cpo
*)
-goalw thy [less_discr_def] "((x::('a::term)discr) << y) = (x=y)";
+Goalw [less_discr_def] "((x::('a::term)discr) << y) = (x=y)";
by (rtac refl 1);
qed "discr_less_eq";
AddIffs [discr_less_eq];
-goalw thy [chain]
+Goalw [chain]
"!!S::nat=>('a::term)discr. chain S ==> S i = S 0";
by (nat_ind_tac "i" 1);
by (rtac refl 1);
@@ -20,13 +20,13 @@
by (Fast_tac 1);
qed "discr_chain0";
-goal thy
+Goal
"!!S::nat=>('a::term)discr. chain(S) ==> range(S) = {S 0}";
by (fast_tac (claset() addEs [discr_chain0]) 1);
qed "discr_chain_range0";
Addsimps [discr_chain_range0];
-goalw thy [is_lub,is_ub]
+Goalw [is_lub,is_ub]
"!!S. chain S ==> ? x::('a::term)discr. range(S) <<| x";
by (Asm_simp_tac 1);
qed "discr_cpo";