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B.3.4:3 - Forces
| Force | Tension |
| Stable inference and changing premises | A valid derivation remains valid under its premises, while those premises may cease to describe the receiving situation. |
| Needed review and finite capacity | A timely inspection can prevent harm; an unnecessary repeat can displace it. |
| Visible warnings and alert noise | A recipient needs action-changing limits, not a warning for every old carrier. |
| Requirements and their merits | A current institutional condition can bind the action even when there is a justified proposal to amend it. |