MAYBE Problem: a(x1) -> b(x1) b(b(a(c(x1)))) -> c(c(a(a(a(a(x1)))))) Proof: RT Transformation Processor: strict: a(x1) -> b(x1) b(b(a(c(x1)))) -> c(c(a(a(a(a(x1)))))) weak: Matrix Interpretation Processor: dimension: 1 interpretation: [c](x0) = x0 + 13, [b](x0) = x0 + 21, [a](x0) = x0 + 4 orientation: a(x1) = x1 + 4 >= x1 + 21 = b(x1) b(b(a(c(x1)))) = x1 + 59 >= x1 + 42 = c(c(a(a(a(a(x1)))))) problem: strict: a(x1) -> b(x1) weak: b(b(a(c(x1)))) -> c(c(a(a(a(a(x1)))))) Open