Using Free.Definition you can show that Tree X is Free when the equations are empty.
There might be some circularity because the definition of ⊨ is using Tree.sharp, but we could make sharp private to the internal module and only expose the Free instance of Tree.
Using
Free.Definitionyou can show thatTree Xis Free when the equations are empty.There might be some circularity because the definition of
⊨is usingTree.sharp, but we could makesharpprivate to the internal module and only expose theFreeinstance ofTree.Depends on #26