changeset 76214 | 0c18df79b1c8 |
parent 76213 | e44d86131648 |
child 76215 | a642599ffdea |
--- a/src/ZF/UNITY/Constrains.thy Tue Sep 27 16:51:35 2022 +0100 +++ b/src/ZF/UNITY/Constrains.thy Tue Sep 27 17:03:23 2022 +0100 @@ -344,7 +344,7 @@ apply (frule Stable_type [THEN subsetD], auto) done -lemma AlwaysD: "F \<in> Always(A) \<Longrightarrow> Init(F)<=A & F \<in> Stable(A)" +lemma AlwaysD: "F \<in> Always(A) \<Longrightarrow> Init(F)<=A \<and> F \<in> Stable(A)" by (simp add: Always_def initially_def) lemmas AlwaysE = AlwaysD [THEN conjE]