🟢 Decision Memory
Decision memory is the preserved reasoning and context required to reconstruct the conditions under which a decision was made.
Beyond the Decision Itself
A decision record alone is insufficient.
Knowing what was decided does not explain:
- why it was chosen
- what alternatives were considered
- what assumptions were in place
- what constraints shaped the outcome
Decision memory captures these elements so that decisions remain interpretable.
Relation to Decision Lineage
Decision lineage traces the chain of reasoning. Decision memory preserves the context needed to understand that chain.
Lineage shows structure. Memory preserves meaning.
State Anchoring
Decision memory is often stabilized through state anchoring — at the moment a decision becomes durable, a snapshot of reasoning context, assumptions, and semantic state is preserved.
Relation to PIFR
A PIFR carries reasoning forward. Decision memory preserves the conditions under which reasoning became a decision.
Together, they enable reasoning to be both extended and understood.
Failure Mode
Without decision memory:
- decisions become opaque
- justification must be reconstructed
- accountability weakens
Over time, this contributes to interpretive collapse.
Governance Role
Decision memory is a core requirement for:
- traceability
- accountable reasoning
- institutional learning
It allows systems not only to record decisions, but to understand and evaluate them across time.
Summary
Decision memory preserves the context behind decisions.
- decision = outcome
- memory = conditions of that outcome
Without memory, decisions persist but meaning degrades.
Where Decision Lineage traces the Coherence half's structure, Decision Memory preserves what made that structure meaningful — without it, the chain survives but nobody can tell why any link in it mattered.
Part of the PKOS Lexicon.