| | Intensity of importance | Definition | Fuzzy triangular scale | Reciprocal |
| | 1 | Equal importance | (1, 1, 3) | (1/3, 1, 1) | | 3 | Weak importance | (1, 3, 5) | (1/5, 1/3, 1) | | 5 | Strong importance | (3, 5, 7) | (1/7, 1/5, 1/3) | | 7 | Demonstrated importance | (5, 7, 9) | (1/9, 1/7, 1/5) | | 9 | Absolute importance | (7, 9, 9) | (1/7, 1/9, 1/9) | | 2, 4, 6, 8 | Intermediate values between the two adjacent judgments | (1, 2, 4), (2, 4, 6), (4, 6, 8), (6, 8, 9) | (1/4, 1/2, 1), (1/6, 1/4, 1/2), (1/8, 1/6, 1/4), (1/9, 1/8, 1/6) |
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