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-rw-r--r--std/Number/Unary.bruijn2
1 files changed, 1 insertions, 1 deletions
diff --git a/std/Number/Unary.bruijn b/std/Number/Unary.bruijn
index 96fef9a..c372983 100644
--- a/std/Number/Unary.bruijn
+++ b/std/Number/Unary.bruijn
@@ -18,7 +18,7 @@ uid [[[extract (2 inc init)]]] ⧗ Unary → Unary
:test (uid (+5u)) ((+5u))
# returns true if a unary number is zero
-zero? [0 [(+0u)] true] ⧗ Unary → Boolean
+zero? [0 [false] true] ⧗ Unary → Boolean
=?‣ zero?