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-rw-r--r--src/Soat/SecondOrder/Algebra/Lift.idr9
1 files changed, 4 insertions, 5 deletions
diff --git a/src/Soat/SecondOrder/Algebra/Lift.idr b/src/Soat/SecondOrder/Algebra/Lift.idr
index d80eeb1..8bbcf9e 100644
--- a/src/Soat/SecondOrder/Algebra/Lift.idr
+++ b/src/Soat/SecondOrder/Algebra/Lift.idr
@@ -26,11 +26,10 @@ project a ctx = MkRawAlgebra
public export
projectAlgebra : (0 sig : _) -> Algebra (lift sig) -> (ctx : List sig.T) -> Algebra sig
projectAlgebra sig a ctx = MkAlgebra
- { raw = project a.raw ctx
- , algebra = MkIsAlgebra
- { equivalence = (reindex (flip MkPair ctx) a.setoid).equivalence
- , semCong = \op => a.algebra.semCong ctx (MkOp (Op op.op)) . wrapIntro
- }
+ { U = a.setoidAt ctx
+ , sem = \op =>
+ a.semFunc ctx (MkOp (Op op.op)) .
+ index (wrapFunc (reindex (\ty => (snd ty, fst ty ++ ctx)) a.setoid) (MkPair [])) _
}
public export