Mind · Strategy

MetaModularity#b97e

Adapt by holding overlapping, non-identical models of the same situation and moving between them cheaply

Mechanism

A system keeps a population of overlapping but non-identical models of the same or adjacent domains, as genetic diversity in a population, gene-expression switching in a plant, or E. coli's many metabolic routes do. Because of BoundedModelOpenWorld, any single model expires. Overlapping models contain information the primary model lacks, so the system can detect expiry and pivot. Contrast multi-modularity (identical spare parts, which solve damage but not novelty) and mono-modularity (one general model applied everywhere, which cannot dominate specialists across all problems).

Invariants

  • The models overlap in domain but differ in content
  • Inspecting each model reveals the domain it models
  • Switching between models costs less than rebuilding one from scratch

Failure modes

  • Redundancy mistaken for meta-modularity: identical copies explain survival, not adaptation
  • Carrying more models than the system can afford to maintain
  • Failing to notice that the current model has expired, so the alternatives are never used

Where this came from

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Identity

The name is the hash of the definition. Change a word and it becomes a different pattern.

Sema ID
sema:MetaModularity#mh:SHA-256:b97e135e49a64811d5b909f338e4f9034642d7fb07386d724548dd2b83302597
Reference
MetaModularity#b97e
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