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-rw-r--r--src/algebra/sign.spad.pamphlet3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/algebra/sign.spad.pamphlet b/src/algebra/sign.spad.pamphlet
index 627b6c36..f717ae8b 100644
--- a/src/algebra/sign.spad.pamphlet
+++ b/src/algebra/sign.spad.pamphlet
@@ -49,8 +49,7 @@ ToolsForSign(R:Ring): with
else
sign r ==
zero? r => 0
--- one? r => 1
- r = 1 => 1
+ one? r => 1
r = -1 => -1
"failed"