| 1: | f(g(x),g(y)) | → f(p(f(g(x),s(y))),g(s(p(x)))) | |
| 2: | p(0) | → g(0) | |
| 3: | g(s(p(x))) | → p(x) | |
| 4: | F(g(x),g(y)) | → F(p(f(g(x),s(y))),g(s(p(x)))) | |
| 5: | F(g(x),g(y)) | → P(f(g(x),s(y))) | |
| 6: | F(g(x),g(y)) | → F(g(x),s(y)) | |
| 7: | F(g(x),g(y)) | → G(s(p(x))) | |
| 8: | F(g(x),g(y)) | → P(x) | |
| 9: | P(0) | → G(0) | |