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-rw-r--r--lib/isabelle/State_lemmas.thy1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/isabelle/State_lemmas.thy b/lib/isabelle/State_lemmas.thy
index e230bd37..9c5dd8af 100644
--- a/lib/isabelle/State_lemmas.thy
+++ b/lib/isabelle/State_lemmas.thy
@@ -25,6 +25,7 @@ lemma liftState_exit[simp]: "liftState r (exit0 ()) = exitS ()" by (auto simp: e
lemma liftState_exclResult[simp]: "liftState r (excl_result ()) = excl_resultS ()" by (auto simp: excl_result_def)
lemma liftState_barrier[simp]: "liftState r (barrier bk) = returnS ()" by (auto simp: barrier_def)
lemma liftState_footprint[simp]: "liftState r (footprint ()) = returnS ()" by (auto simp: footprint_def)
+lemma liftState_undefined[simp]: "liftState r (undefined_bool ()) = undefined_boolS ()" by (auto simp: undefined_bool_def)
lemma liftState_try_catch[simp]:
"liftState r (try_catch m h) = try_catchS (liftState r m) (liftState r \<circ> h)"