Tree.hs revision 8dd33a794b7ab4f0da70b290e424e4fae162b3a4
275c9da86e89f8abf71135cf63d9fc23671b2e60eschrocktree 8dd33a794b7ab4f0da70b290e424e4fae162b3a4:
275c9da86e89f8abf71135cf63d9fc23671b2e60eschrockComorphisms/
275c9da86e89f8abf71135cf63d9fc23671b2e60eschrockConstraintCASL/