1.1 --- a/src/HOL/Relation.thy Sat Mar 17 08:00:18 2012 +0100
1.2 +++ b/src/HOL/Relation.thy Sat Mar 17 11:35:18 2012 +0100
1.3 @@ -276,13 +276,17 @@
1.4 "\<forall>x\<in>S. sym (r x) \<Longrightarrow> sym (INTER S r)"
1.5 by (fast intro: symI elim: symE)
1.6
1.7 -(* FIXME thm sym_INTER [to_pred] *)
1.8 +lemma symp_INF:
1.9 + "\<forall>x\<in>S. symp (r x) \<Longrightarrow> symp (INFI S r)"
1.10 + by (fact sym_INTER [to_pred])
1.11
1.12 lemma sym_UNION:
1.13 "\<forall>x\<in>S. sym (r x) \<Longrightarrow> sym (UNION S r)"
1.14 by (fast intro: symI elim: symE)
1.15
1.16 -(* FIXME thm sym_UNION [to_pred] *)
1.17 +lemma symp_SUP:
1.18 + "\<forall>x\<in>S. symp (r x) \<Longrightarrow> symp (SUPR S r)"
1.19 + by (fact sym_UNION [to_pred])
1.20
1.21
1.22 subsubsection {* Antisymmetry *}