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MATH.9:3 - Forces
| Force | Tension |
|---|
| One answer and indistinguishable alternatives | A deterministic output may require a distinction absent from the input. |
| A symmetric problem and its individual solutions | Symmetry preserves the solution set; uniqueness supplies the additional step that fixes an individual solution. |
| Reduced input and returned coordinates | The transformation used for normalization can affect an output even when the normalized input is unchanged. |
| Pointwise consistency and other requirements | A rule can satisfy the transformation law while its evaluation is expensive or its values change discontinuously. |