因素

可达集 R ( F i )

前因集 Q ( F j )

交集 R ( F i ) Q ( F j )

F1

1, 2, 8, 11, 12, 13, 14

1

1

F2

2, 11, 12, 13, 14

1, 2, 6

2

F3

3, 13, 14

3, 6, 7

3

F4

4, 13, 14

4, 5

4

F5

4, 5, 9, 11, 12, 13, 14

5

5

F6

2, 3, 6, 8, 11, 12, 13, 14

6

6

F7

3, 7, 9, 10, 11, 12, 13, 14

7

7

F8

8, 11, 12, 13, 14

1, 6, 8

8

F9

9, 11, 12, 13, 14

5, 7, 9

9

F10

10, 11, 12, 13, 14

7, 10

10

F11

11, 13, 14

1, 2, 5, 6, 7, 8, 9, 10, 11

11

F12

12, 13, 14

1, 2, 5, 6, 7, 8, 9, 10, 12

12

F13

13

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

13

F14

14

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14

14