Both Lee Smolin and Charles Sanders Peirce share a rare, radical premise in theoretical physics and philosophy: physical laws are not eternal mathematical truths, but historical outcomes of an evolutionary process.

However, they construct this evolutionary mechanism through fundamentally different frameworks—Smolin relies on Darwinian population dynamics, whereas Peirce relies on Lamarckian mental habituation.

1. Mechanisms of Law Evolution

Smolin: Population Dynamics & Mutation (Darwinian)

Smolin’s Cosmological Natural Selection (CNS) applies biological evolution to the multiverse:

• Replication via Black Holes: Every time a star collapses into a black hole, quantum gravitational effects prevent a true singularity, causing a "bounce" that expands into a new baby universe on the other side.

• Mutation: The fundamental constants (e.g., electron mass, fine-structure constant) undergo slight random fluctuations during the quantum bounce.

• Differential Fitness: Universes whose physical constants produce more black holes yield more "offspring." Over generations, the ensemble of universes becomes dominated by parameters optimized for black-hole production (which, coincidentally, also favors long-lived stars and carbon-based chemistry).

Peirce: Individual Memory & Habit-Taking (Lamarckian/Psychological)

Peirce’s Habit-Taking views the universe as a single, continuous organism rather than a population of distinct universes:

• Growth of Regularity: Reality begins in absolute chance (tychism) and primordial feeling. Whenever a spontaneous event occurs, there is an inherent metaphysical tendency for it to recur.

• Hardening into Law: As tendencies repeat, the "habit" becomes stronger and more rigid over cosmic timescales, eventually solidifying into what we observe as rigid physical laws.

• No Population Required: Physical law evolves within our single universe as a direct strengthening of internal routine, much like an individual learning a skill or developing a muscle memory.

2. Core Comparison

Feature	C.S. Peirce (Habit-Taking)	Lee Smolin (Cosmological Natural Selection)
Evolutionary Paradigm	Lamarckian / Ontogenetic: Single-entity habit formation and reinforcement	Darwinian / Phylogenetic: Multi-generational population selection and mutation
Locus of Evolution	Within a single continuous universe (Synechism)	Across an expanding ensemble/multiverse of child universes
Ontological Primacy	Objective Idealism (mind hardening into matter)	Physicalism / Spacetime Realism (quantum geometry)
Driver of Novelty	Absolute chance (Tychism)	Quantum fluctuations at black hole bounce singularities
Selection Criterion	Internal stabilization and repetition	Maximization of black hole creation (fecundity)

3. Where They Align and Diverge

Point of Deep Agreement: Anti-Platonism

Both thinkers reject the standard Platonist view in physics—the idea that timeless, immortal laws existed "before" the Big Bang in an abstract mathematical realm. Both argue that time is fundamental, and because time is real, laws must have a history and a origin story.

Point of Divergence: Objective Idealism vs. Quantum Realism

• Peirce sees the evolutionary driver as psychological/semiotic: habit is a property of mind. For Peirce, physical laws are just mind that has lost its plasticity and become "hidebound."

• Smolin explicitly rejects idealism. His mechanism requires no subjective element or mental property; it relies strictly on physical geometry, quantum field theory, and black hole thermodynamics.