| Linguistic variables | Triangular fuzzy numbers | Reverse Triangular fuzzy numbers |
| Equal importance (EI) | (1, 1, 1) | (1/1, 1/1, 1/1) | EI-WI | (1, 2, 3) | (1/3, 1/2, 1) | Weak importance (WI) | (2, 3, 4) | (1/4, 1/3, 1/2) | WI-FSI | (3, 4, 5) | (1/5, 1/4, 1/2) | Fairly strong importance (FSI) | (4, 5, 6) | (1/6, 1/5, 1/4) | FSI-VSI | (5, 6, 7) | (1/7, 1/6, 1/5) | Very strong importance (VSI) | (6, 7, 8) | (1/8, 1/7, 1/6) | VSI-AI | (7, 8, 9) | (1/9, 1/8, 1/7) | Absolute importance (AI) | (8, 9, 9) | (1/9, 1/9, 1/8) |
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