Literature and a very strange coincidence: is this simulation?

The coincidence is real and striking, but it doesn't require talk of simulation: it's the kind of event that statistics expects to happen to someone, at some point, among millions of people and days.

The story is simple and strange at the same time. One morning, a metro ride is spent checking reviews of a bilingual edition of the medieval French story of Melusine. A work that isn't among the big names of the Middle Ages and that today enjoys no wide popularity. An hour later, already at work, a client sends photographs to explain a problem. Among them appears an illustration from that very book.

## What the story of Melusine is

Melusine is a medieval French tale about a serpent fairy who marries a knight on one condition: that he never see her in her true form. The best-known version is attributed to **Jean d'Arras**, who wrote it around **1393** at the request of Duke **Jean de Berry**. It was hugely successful in its time and was translated into several European languages, but today it's a read for specialists and enthusiasts, not a general bookshelf title.

That detail is what triggers the sense of strangeness. If the book consulted had been by **Dickens** or **Cervantes**, the coincidence would have been curious and little more. With Melusine, the specific work, the bilingual edition and the particular illustration turn the episode into something that seems tailor-made.

## Why chance produces these coincidences

Statistics has a name for this: the law of large numbers applied to individual experience. Each person lives through tens of thousands of small events a year. The probability of two of them fitting together strikingly is low on any given day, but extremely high across the whole population and over time. It's the birthday paradox: with **23 people** in a room, the probability that two share a birthday exceeds **50%**, even though it seems impossible.

There's a bias that worsens the impression. We remember coincidences and forget the thousands of days when nothing fits. The brain looks for patterns and finds them where they exist and where they don't. That doesn't make the episode false: it peine. It only explains why it seems more meaningful to us than probability suggests.

## How it would be calculated, in practice

Calculating the exact probability is almost impossible without data nobody has: how many people consult that edition, how many see that illustration, how many work in contexts where images of medieval books appear. What can be said is that the coincidence doesn't require a hidden cause. It's enough that there are many opportunities and many observers.

Simulation is a hypothesis that can neither be proven nor refuted by a personal episode. The statistical explanation, on the other hand, predicts exactly this: rare coincidences happening to someone, at some point, without anyone having programmed them. If the matter involves personal data or the interpretation of an event, it's best to check it against sources and not jump to conclusions.