Library / First Principles Framework (FPF) - Core Conceptual Specification
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Source changed 2026-10-03 10:39:28 UTC · snapshot created 2026-10-03 10:40:04 UTC · last check 2026-10-03 10:45:12 UTC

B.3.4:4.4 - Choose the feasible response to the actual change

Determine what the receiving use can support now. The following are possible responses, not a compulsory completion triad:

ResponseWhen usefulResult for the receiving use
Continue on applicable supportAvailable information is sufficient for the unchanged bounded use. A scoped reconsideration, if needed, has found no relevant loss.Retain the qualified result. No new experiment, waiver or separate no-refresh record is required merely to continue.
Narrow or restrict the useSupport remains sufficient for a smaller envelope or less demanding claim.State the usable boundary and the limitation that changes the recipient’s action.
Refresh or inspectAn obtainable check can resolve a material uncertainty or meet a justified current requirement.Choose that check with regard to what its result can change, its cost, delay and displaced work; perform and assess it only when actually undertaken.
Suspend reliance or deprecate the affected resultThe necessary support is absent or defeated and no permitted continuation carries the requested use.Remove or qualify that reliance and communicate the affected reach. A status downgrade does not accept the underlying harm.
Apply an authorized exceptionAn applicable rule permits a bounded exception and a competent authority can grant it for this case.Follow the actual mandate, scope, conditions and accountability. A senior title alone grants no authority over affected risk bearers.

C.11 and C.19.2 supply the choice of worthwhile additional evidence. Rechecking available configuration or premise information need not be a new experiment. A possible experiment is not a Work commitment. If the desired check is unavailable, retain any independently warranted bounded action or limitation; do not fabricate an observation.

For an immediate unchanged use, stop with its usable result. When a later receiver needs a warning, limitation or retained reason to avoid unsupported reliance, keep that minimum content with the existing result or publication. A separate DeprecationNotice is useful when something is actually deprecated, not as proof that refresh was skipped.