MAYBE
93.83/55.30	MAYBE
93.83/55.30	
93.83/55.30	Problem:
93.83/55.30	 a(x1) -> b(c(x1))
93.83/55.30	 b(a(b(x1))) -> a(a(b(a(x1))))
93.83/55.30	 c(c(x1)) -> x1
93.83/55.30	
93.83/55.30	Proof:
93.83/55.30	 Open
93.83/55.31	EOF