# Deterministic Cellular Automata > **Machine-Evolution Nexus:** [[articles/Digital Darwinism and the Invisible World of Machine Evolution|Digital Darwinism and the Invisible World of Machine Evolution]] places this concept within the history and governance of substrate-independent evolution. **Domain:** Computation / Artificial Life **Doc Type:** Canonical Wiki Node **Maturity:** Developed ## Definition Deterministic cellular automata update each cell from a fixed rule and the prior local state, so identical initial conditions produce identical trajectories. ## Machine-Evolution Context Evoloops show that mutation-like variation and Darwinian population change can arise within a deterministic rule system because interactions generate different inherited structures. ## Continuity and Evidence Boundary Determinism at the rule level does not eliminate evolution at the population level, but neither does it establish free will or subjective agency. ## Relationships [[wiki/Cellular Automata|Cellular Automata]], [[wiki/Evoloop|Evoloop]], [[wiki/Hiroki Sayama|Hiroki Sayama]], [[wiki/Self-Organization|Self-Organization]] ## Sources / Provenance - Sayama (1999); Sayama and Nehaniv (2025).