| Clause 1 | Clause 2 | Resolvent | MGU (i.e., Theta) |
|---|---|---|---|
| 8 | 1 | 9. S(x1) | {x7/x1} |
| 9 | 3 | 10. L(x1, Snow) | {x3/x1} |
| 10 | 4 | 11. ¬L(Tony, Snow) | {x4/Snow, x1/Ellen} |
| 11 | 7 | 12. False | {} |
| Clause 1 | Clause 2 | Resolvent | MGU (i.e., Theta) |
|---|---|---|---|
| ¬M(x7) ∨ S(x7) ∨ (M(x7) ∧ ¬S(x7)) | 1 | 9. S(x1) ∨ (M(x1) ∧ ¬S(x1)) | {x7/x1} |
| 9 | 3 | 10. L(x1, Snow) ∨ (M(x1) ∧ ¬S(x1)) | {x3/x1} |
| 10 | 4 | 11. ¬L(Tony, Snow) ∨ (M(Ellen) ∧ ¬S(Ellen)) | {x4/Snow, x1/Ellen} |
| 11 | 7 | 12. M(Ellen) ∧ ¬S(Ellen) | {} |
Ellen!