819.93/299.41	MAYBE
819.93/299.41	
819.93/299.41	Problem:
819.93/299.41	 strict:
819.93/299.41	  d(d(n(n(x1)))) -> d(d(x1))
819.93/299.41	  d(d(o(o(x1)))) -> d(d(x1))
819.93/299.41	  o(o(u(u(x1)))) -> u(u(x1))
819.93/299.41	 weak:
819.93/299.41	  t(t(u(u(x1)))) -> t(t(c(c(d(d(x1))))))
819.93/299.41	  d(d(f(f(x1)))) -> f(f(d(d(x1))))
819.93/299.41	  d(d(g(g(x1)))) -> u(u(g(g(x1))))
819.93/299.41	  f(f(u(u(x1)))) -> u(u(f(f(x1))))
819.93/299.41	  n(n(u(u(x1)))) -> u(u(x1))
819.93/299.41	  f(f(x1)) -> f(f(n(n(x1))))
819.93/299.41	  t(t(x1)) -> t(t(c(c(n(n(x1))))))
819.93/299.41	  c(c(n(n(x1)))) -> n(n(c(c(x1))))
819.93/299.41	  c(c(o(o(x1)))) -> o(o(c(c(x1))))
819.93/299.41	  c(c(o(o(x1)))) -> o(o(x1))
819.93/299.41	  c(c(f(f(x1)))) -> f(f(c(c(x1))))
819.93/299.41	  c(c(u(u(x1)))) -> u(u(c(c(x1))))
819.93/299.41	  c(c(d(d(x1)))) -> d(d(c(c(x1))))
819.93/299.41	
819.93/299.41	Proof:
819.93/299.41	 Open
819.93/299.41	EOF