Monday, 24 November 2025

III The Evolution of Possibility: 2 Actualisation as Perspectival Shift

Structured potentials form the network of what could be, but actualisation is what makes them intelligible. In relational ontology, actualisation is not a temporal process, nor is it an event that “happens” independently. It is a perspectival shift: a cut through relational potentials that distinguishes one instance from another.

Instances as Perspectival Cuts

  • Each instance is an actualisation of a subset of potentials, made coherent under specific constraints.

  • The same network of potentials can yield different instances under different cuts, illustrating the multiplicity inherent in relational systems.

  • Actualisation is therefore contextual, relational, and perspectival, not chronological.

Implications Across Domains

  • Cosmology: A “galaxy” is intelligible only as an actualised pattern of relational potentials.

  • Biology: An organism emerges as a pattern of potentials realised under constraints, not as matter in motion alone.

  • Semiotics: Meaning arises when relational potentials differentiate under interpretive cuts.

Constraints Shape Actualisation

Actualisation is always mediated by constraints:

  • Constraints determine which potentials can be realised together.

  • They generate stable patterns and intelligible regularities.

  • Repeated actualisations under the same constraints produce persistence, structure, and law-like behaviour.

From Potential to Instance

Understanding actualisation as a perspectival shift prepares the ground for formalisation. In the next post, we will introduce category theory as a way to model relational potentials, their shifts, and the patterns of actualisation, providing a rigorous framework for the evolution of possibility.

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