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The types of factor interaction expression
| Expression | Interaction |
|---|---|
| q(x1 ∩ x2) < Min(q(x1), q(x2)) | Weaken, nonlinear |
| Min(q(x1), q(x2)) < q(x1 ∩ x2) < Max(q(x1), q(x2)) | Weaken, univariate |
| q(x1 ∩ x2) > Max(q(x1), q(x2)) | Enhance, bivariate |
| q(x1 ∩ x2) = q(x1) + q(x2) | Independent |
| q(x1 ∩ x2) > q(x1) + q(x2) | Enhance, nonlinear |
