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-rw-r--r--lib/Iteration.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Iteration.v b/lib/Iteration.v
index 82110bff..66bb3970 100644
--- a/lib/Iteration.v
+++ b/lib/Iteration.v
@@ -20,6 +20,8 @@ Require Import Axioms.
Require Import Coqlib.
Require Import Wfsimpl.
+Set Asymmetric Patterns.
+
(** This modules defines several Coq encodings of a general "while" loop.
The loop is presented in functional style as the iteration
of a [step] function of type [A -> B + A]: