| | | Linguistic values | Triangular fuzzy numbers | Reciprocal triangular fuzzy scale |
| | (1) | Unimportant (U) | (1, 1, 1) | (1, 1, 1) | | (2) | Between U and SL | (1, 2, 3) | (1/3, 1/2, 1) | | (3) | Slightly important (SL) | (2, 3, 4) | (1/4, 1/3, 1/2) | | (4) | Between SL and MI | (3, 4, 5) | (1/5, 1/4, 1/3) | | (5) | Moderately important (MI) | (4, 5, 6) | (1/6, 1/5, 1/4) | | (6) | Between MI and SI | (5, 6, 7) | (1/7, 1/6, 1/5) | | (7) | Seriously important (SI) | (6, 7, 8) | (1/8, 1/7, 1/6) | | (8) | Between SI and VSI | (7, 8, 9) | (1/9, 1/8, 1/7) | | (9) | Very seriously important (VSI) | (8, 9, 9) | (1/9, 1/9, 1/8) |
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