| Linguistic Variables |
Fuzzy Number |
Membership Function |
TFN |
Reciprocal TFN |
| Equal important (EI) |
 |
M1
|
(1,1,1) |
(1,1,1) |
| Equal to moderate important (intermediate) (E-MI) |
 |
M2
|
(1,2,3) |
(1/3,1/2,1) |
| Moderate important (MI) |
 |
M3
|
(2,3,4) |
(1/4,1/3,1/2) |
| Moderate to strong important (intermediate) (M-SI) |
 |
M4
|
(3,4,5) |
(1/5,1/4,1/3) |
| Strong important (SI) |
 |
M5
|
(4,5,6) |
(1/6,1/5,1/4) |
| Strong to very strong important (intermediate) (S-VSI) |
 |
M6
|
(5,6,7) |
(1/7,1/6,1/5) |
| Very strong important (VSI) |
 |
M7
|
(6,7,8) |
(1/8,1/7,1/6) |
| Very strong to absolute important (intermediate) (VS-AI) |
 |
M8
|
(7,8,9) |
(1/9,1/8,1/7) |
| Absolute important (AI) |
 |
M9
|
(8,9,10) |
(1/10,1/9,1/8) |