| 因素 | 可达集R(Si) | 前因集A(Si) | A |
| S1 | S1 | S1, S4, S6, S7, S9, S10 | S1 |
| S2 | S2 | S2, S3, S8, S9, S10 | S2 |
| S3 | S3 | S3, S5, S7, S10 | S3 |
| S4 | S1, S4 | S4, S9, S10 | S4 |
| S5 | S3, S5 | S5, S6, S7, S9 | S5 |
| S6 | S1, S4, S5, S6 | S6, S10 | S6 |
| S7 | S1, S3, S5, S7 | S7, S8, S10 | S7 |
| S8 | S2, S4, S7, S8 | S7, S8, S10 | S8 |
| S9 | S1, S2, S3, S4, S5, S6, S9 | S9, S10 | S9 |
| S10 | S1, S2, S3, S6, S7, S10 | S10 | S10 |