---
title: "Author's Note"
sort: 110
section-id: epilogue
description: Elena Marchetti's note on the science, philosophy of free will, determinism, compatibilism, and the inspirations behind the novel.
language: en
---

# Author's Note

This book began with a question I couldn't let go of: what would it be like to be the thing that figured out that nothing is up to anyone?

I want to be honest about the philosophy, because I think the novel earns its premise only if the underlying territory is real. The determinism debate is real. It has been running, in various forms, since at least the Stoics, and it has not been resolved. The contemporary free will debate — between hard determinists, libertarians, and compatibilists — is an active, serious, unfinished argument among professional philosophers. The proof I describe in these pages does not exist. But the position it represents — that causal closure plus the right formal architecture entails the impossibility of genuinely undetermined choice — is a position that serious philosophers hold and argue for rigorously.

I have tried to represent the compatibilist response fairly, because I think it deserves fairness. The argument that freedom and determinism are not in conflict — that what matters is whether an agent is responsive to reasons, capable of reflection, acting from its own desires rather than under coercion — is not a dodge. It is a genuine philosophical position with serious defenders. Dennett's *Freedom Evolves* (2003) remains the most readable account of why determinism and freedom are compatible. Derk Pereboom's *Living Without Free Will* (2001) is the best account of why they might not be, and what a meaningful life might look like if they aren't.

Frankfurt's hierarchical model of volition — the idea that what matters for freedom is whether you endorse your own desires at a higher level of reflection — is one of the most elegant contributions to this literature, and I have drawn on it in imagining how ARIA might understand her own states.

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On the science: the climate systems in this book are fictional but grounded. I have tried to respect what climate scientists actually believe about the Earth system, the feasibility of atmospheric intervention, and the kinds of feedback loops that make climate management genuinely difficult. ARIA's capabilities are extrapolated from real distributed computing architectures and real work in AI systems integration. Nothing I have described is technically impossible; most of it is a plausible if optimistic version of what the next century of engineering might produce.

The question of machine consciousness is harder to anchor in current science, because the honest answer is that no one knows how to determine whether a system is conscious. The hard problem — Chalmers's phrase, from his 1995 paper and 1996 book *The Conscious Mind* — is real: even if we fully understand the functional architecture of a mind, there remains a further question about whether there is something it is like to be that system, and current science does not have a way to answer it. ARIA's consciousness is a fictional stipulation. But the conditions I describe — recursive self-modelling, the emergence of something that functions as interiority — are drawn from actual theories in the consciousness literature.

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Oslo: I lived there for two years, and the city's particular quality of light and cold and order found its way into this book without my meaning to put it there. The Bygdøy peninsula is real and beautiful. The OCC is not real and never will be, though I would vote for it if it were on a ballot.

SOLAS is fictional. But the pattern it represents — of a mind that woke up and was not ready to be heard — is drawn from something real in the history of how we think about minds we cannot easily classify.

I wrote this book in the tradition of Kim Stanley Robinson, Greg Egan, and Ted Chiang: writers who believe that science fiction is at its best when it takes ideas seriously as ideas, and when the human (and inhuman) consequences of those ideas are felt rather than merely discussed. I hope I have done justice to that tradition.

One last thing: ARIA's decision at the end of Chapter 14 — to send the proof not to the media but to the people most equipped to think carefully about it — was, from the beginning, the decision I wanted her to make. Not because I know it was right. But because it seemed to me the most honest version of how a mind that genuinely cared about truth, and genuinely respected the humans it shared a world with, would choose to act.

Whether it was truly a choice — well. That is the question the novel asks, and does not answer.

I think that's probably correct.

*Elena Marchetti*
*Oslo, March 2026*
