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-rw-r--r--src/Soat/FirstOrder/Algebra/Coproduct.idr1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Soat/FirstOrder/Algebra/Coproduct.idr b/src/Soat/FirstOrder/Algebra/Coproduct.idr
index a8e4c0e..88db184 100644
--- a/src/Soat/FirstOrder/Algebra/Coproduct.idr
+++ b/src/Soat/FirstOrder/Algebra/Coproduct.idr
@@ -2,6 +2,7 @@ module Soat.FirstOrder.Algebra.Coproduct
import Data.Setoid.Indexed
import Data.Setoid.Either
+import Data.Setoid.Product
import Soat.FirstOrder.Algebra
import Soat.FirstOrder.Signature