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module Object (
Object(..),
List,
makeSubst
) where
import Data.List
import TypeVar
import Term
import Theorem
data Object = ObjNum { objNum :: Number }
| ObjName { objName :: Name }
| ObjList { objList :: List }
| ObjTyOp { objTyOp :: TypeOp }
| ObjType { objType :: Type }
| ObjConst { objConst :: Const }
| ObjVar { objVar :: Var }
| ObjTerm { objTerm :: Term }
| ObjThm { objThm :: Theorem } deriving (Eq, Ord)
type List = [Object]
instance Show Object where
show (ObjNum a) = show a
show (ObjName a) = show a
show (ObjList a) = show a
show (ObjTyOp a) = show a
show (ObjType a) = show a
show (ObjConst a) = show a
show (ObjVar a) = show a
show (ObjTerm a) = show a
show (ObjThm a) = show a
makeSubst :: [Object] -> Substitution
makeSubst l =
let list = (map (map objList)) . (map objList) $ l
f = (\g h x -> (g . head $ x, h . last $ x))
in f (map (f objName objType)) (map (f objVar objTerm)) list
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