diff options
author | Greg Brown <greg.brown01@ed.ac.uk> | 2022-12-05 14:37:30 +0000 |
---|---|---|
committer | Greg Brown <greg.brown01@ed.ac.uk> | 2022-12-05 14:37:30 +0000 |
commit | e8a5ba7c22c98d32671d02e41960598566bdcc58 (patch) | |
tree | c051ae8e9b4bab7002e0de36bf7266442ce2e891 /src/Data | |
parent | 45e9bbec72bf338306d446012f077e195439aed0 (diff) |
WIP: port to libraryrefactor/setoids
Diffstat (limited to 'src/Data')
-rw-r--r-- | src/Data/Morphism/Indexed.idr | 13 | ||||
-rw-r--r-- | src/Data/Setoid.idr | 55 | ||||
-rw-r--r-- | src/Data/Setoid/Indexed.idr | 44 |
3 files changed, 0 insertions, 112 deletions
diff --git a/src/Data/Morphism/Indexed.idr b/src/Data/Morphism/Indexed.idr deleted file mode 100644 index c271c90..0000000 --- a/src/Data/Morphism/Indexed.idr +++ /dev/null @@ -1,13 +0,0 @@ -module Data.Morphism.Indexed - -import Data.Setoid.Indexed - -public export -IFunc : {a : Type} -> (x, y : a -> Type) -> Type -IFunc {a} x y = (i : a) -> x i -> y i - -public export -record IFunction {a : Type} (x, y : ISetoid a) where - constructor MkIFunction - func : IFunc x.U y.U - cong : (i : a) -> {u, v : x.U i} -> x.relation i u v -> y.relation i (func i u) (func i v) diff --git a/src/Data/Setoid.idr b/src/Data/Setoid.idr deleted file mode 100644 index 8014bac..0000000 --- a/src/Data/Setoid.idr +++ /dev/null @@ -1,55 +0,0 @@ -module Data.Setoid - -import public Control.Relation - -%default total - -public export -record Equivalence a (rel : Rel a) where - constructor MkEquivalence - refl : Reflexive a rel - sym : Symmetric a rel - trans : Transitive a rel - -public export -record Setoid where - constructor MkSetoid - 0 U : Type - 0 relation : Rel U - equivalence : Data.Setoid.Equivalence U relation - -public export -equiv : Control.Relation.Equivalence a rel => Data.Setoid.Equivalence a rel -equiv = MkEquivalence (MkReflexive reflexive) (MkSymmetric symmetric) (MkTransitive transitive) - -public export -[refl'] (eq : Data.Setoid.Equivalence a rel) => Reflexive a rel where - reflexive = reflexive @{eq.refl} - -public export -[sym'] (eq : Data.Setoid.Equivalence a rel) => Symmetric a rel where - symmetric = symmetric @{eq.sym} - -public export -[trans'] (eq : Data.Setoid.Equivalence a rel) => Transitive a rel where - transitive = transitive @{eq.trans} - -public export -[equiv'] Data.Setoid.Equivalence a rel => Control.Relation.Equivalence a rel - using refl' sym' trans' where - -public export -(.reflexive) : Data.Setoid.Equivalence a rel -> {x : a} -> rel x x -(.reflexive) eq = reflexive @{eq.refl} - -public export -(.symmetric) : Data.Setoid.Equivalence a rel -> {x, y : a} -> rel x y -> rel y x -(.symmetric) eq = symmetric @{eq.sym} - -public export -(.transitive) : Data.Setoid.Equivalence a rel -> {x, y, z : a} -> rel x y -> rel y z -> rel x z -(.transitive) eq = transitive @{eq.trans} - -public export -(.equalImpliesEq) : Data.Setoid.Equivalence a rel -> {x, y : a} -> x = y -> rel x y -(.equalImpliesEq) eq Refl = eq.reflexive diff --git a/src/Data/Setoid/Indexed.idr b/src/Data/Setoid/Indexed.idr deleted file mode 100644 index 7277932..0000000 --- a/src/Data/Setoid/Indexed.idr +++ /dev/null @@ -1,44 +0,0 @@ -module Data.Setoid.Indexed - -import public Data.Setoid - -%default total - -public export -IRel : {a : Type} -> (a -> Type) -> Type -IRel {a = a} x = (i : a) -> x i -> x i -> Type - -public export -IReflexive : {a : Type} -> (x : a -> Type) -> IRel x -> Type -IReflexive x rel = (i : a) -> Reflexive (x i) (rel i) - -public export -ISymmetric : {a : Type} -> (x : a -> Type) -> IRel x -> Type -ISymmetric x rel = (i : a) -> Symmetric (x i) (rel i) - -public export -ITransitive : {a : Type} -> (x : a -> Type) -> IRel x -> Type -ITransitive x rel = (i : a) -> Transitive (x i) (rel i) - -public export -IEquivalence : {a : Type} -> (x : a -> Type) -> IRel x -> Type -IEquivalence x rel = (i : a) -> Setoid.Equivalence (x i) (rel i) - -public export -record ISetoid (a : Type) where - constructor MkISetoid - 0 U : a -> Type - 0 relation : IRel U - equivalence : IEquivalence U relation - -public export -fromIndexed : (a -> Setoid) -> ISetoid a -fromIndexed x = MkISetoid (\i => (x i).U) (\i => (x i).relation) (\i => (x i).equivalence) - -public export -(.index) : ISetoid a -> a -> Setoid -(.index) x i = MkSetoid (x.U i) (x.relation i) (x.equivalence i) - -public export -isetoid : (a -> Type) -> ISetoid a -isetoid u = MkISetoid u (\_ => Equal) (\_ => equiv) |