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Linguistic variables and corresponding TFNs for alternative evaluation.
| Linguistic variables of influence description | Triangular fuzzy number (TFN) |
|---|---|
| Very low/poor (VL/VP) | (0, 0, 0.25) |
| Low/poor (L/P) | (0, 0.25, 0.5) |
| Medium (M) | (0.25, 0.5, 0.75) |
| High/good (H/G) | (0.5, 0.75, 1) |
| Very high/good (VH/VG) | (0.75, 1, 1) |
Source: [69].
