Environment: [x = {a}.y, y =({a}.x + {b}.y)]
Initial Entities: {a, b}
Context: [({a,b}.{a}.{a,c}.x + {a,b}.{a}.{a}.nill)]
Reactions: ([{a,b}, {c}, {b}])

Bisimilarity ("bisimilarity2.system")
	     relabel label { return true }
	     > Print,