[Haskell-cafe] Funct dependency conflict when using types

I have observed the error message (ghci 6.4) Functional dependencies conflict between instance declarations: LocTest.hs:16:0: instance B S Bool LocTest.hs:22:0: instance (F f, B a b) = B (f a) (f b) when I changed in an instance from a simple type to a type with a parameter (i.e.

Re: [Haskell-cafe] Funct dependency conflict when using types

Frank wrote: I have observed the error message (ghci 6.4) Functional dependencies conflict between instance declarations: LocTest.hs:16:0: instance B S Bool LocTest.hs:22:0: instance (F f, B a b) = B (f a) (f b) when I changed in an instance from a simple type to a type with a