# From Metaphor to Geometry — Context for AI agents

> Pavel Medvedev’s structural approach to Tarot and astrology: four elements, twelve zodiacal geometries, ten planetary operations, and 22 Major Arcana.

- Author: Pavel Medvedev
- Language: en
- Canonical host: https://medvedev.uk/
- Updated: 2026-09-03

## About the book and project

A structural approach to Tarot and astrology. The four elements are defined through boundary and preserved volume; zodiac signs become geometries of experience, and planets become operations acting within them. The meanings of the twelve signs, ten planetary functions, and twenty-two Major Arcana emerge as one coherent system.

## The book model in brief

- A person acts inside a map of experience that determines distinctions, available paths, significance, and the limits of what appears possible.
- The elements define four basic geometries through two features: the source of the boundary (∂) and the presence of preserved content (V).
- A sign is neither a character nor an action but an environment derived from element, phase, and orientation.
- A planet is a stable operator on experience; the same operator manifests differently in different environments.
- The twenty-two Major Arcana form a visual grammar: ten cards show planetary operations and twelve show zodiacal geometries.

## Primary resources

- [Book page](https://medvedev.uk/)
- [Extended description of the book, concepts, and correspondences](https://medvedev.uk/llms-full.txt)
- [Sitemap](https://medvedev.uk/sitemap.xml)

## Notes

- [Mercury in Aries: say it so the other person can respond](https://medvedev.uk/notes/mercury-in-aries-something-to-answer): In Aries, understanding becomes a clear message to another person: they know what has just happened, whom it concerns, and which reply can change what happens next. (3 September 2026)
- [Mercury in Libra: finding one measure for different demands](https://medvedev.uk/notes/mercury-in-libra-shared-understanding): Mercury in Libra turns an understood difference into a clear standard for a shared decision: people with different interests can use it even when they disagree. (2 September 2026)
- [Mercury in Scorpio: when everything goes off plan](https://medvedev.uk/notes/mercury-in-scorpio-while-there-is-still-someone-to-ask): In Scorpio, understanding must remain useful after the familiar order breaks down: a person notices the decisive change and knows when the old answer no longer works. (2 September 2026)
- [Mercury through the signs: how understanding works in real life](https://medvedev.uk/notes/mercury-in-virgo-and-libra-show-and-agree): Four of Mercury's twelve real-life settings: a clear message in Aries, a concrete case in Virgo, a shared standard in Libra, and preserving the aim in Scorpio. (2 September 2026)
- [Who Is the Most Hysterical? Why the Sun Produces Three Different Rankings](https://medvedev.uk/notes/astrology-adjectives-vs-operations): The word 'hysteria' mixes together speed of response, the ability to keep going without recognition, and how much conflict changes later behavior. For the Sun in signs, these are three different rankings. (24 August 2026)
- [Mars in Aries: the act after which it has really begun](https://medvedev.uk/notes/mars-in-aries-first-real-act): Mars in Aries: the first act turns intention into fact and creates a new starting point for everything that follows. (24 August 2026)
- [Mercury in Virgo: if you understand it, show it in another example](https://medvedev.uk/notes/mercury-in-virgo-transferable-understanding): In Virgo, understanding becomes visible in the next concrete case: instead of repeating the explanation, a person spots for themselves the detail on which the answer depends. (24 August 2026)
- [Sun in Cancer: a personal contribution that becomes part of shared life](https://medvedev.uk/notes/sun-in-cancer-detachable-result): Sun in Cancer is not merely care or a state left in other people. It is a separable output of a source that enters shared life and becomes available to the circle's participants. (24 August 2026)
- [Sun in Virgo: when people work more precisely because of you](https://medvedev.uk/notes/sun-in-virgo-local-proof): Sun in Virgo is a situation in which a source produces a concrete executable output that can be pointed to and taken up by another person. (24 August 2026)
- [The End of Mandatory Social-Media Presence](https://medvedev.uk/notes/end-of-mandatory-social-media-presence): Why life online increasingly needs no single public profile: Uranus in Gemini, Neptune in Aries, and the move from a showcase of identity to traces of concrete action. (23 August 2026)

## Articles

- [Why Is Taurus a Bull?](https://medvedev.uk/articles/pochemu-telec-nazyvaetsya-telcom): A detailed reading of the twelve signs as environments: how two coordinates become Fire, Air, Earth and Water, why the signs acquired their traditional images, and why these particular Major Arcana stand beside them. (30 August 2026)
- [How Something New Begins: Two Cardinal Axes](https://medvedev.uk/articles/how-new-begins-cardinal-axes): A step-by-step derivation of the Aries–Libra and Cancer–Capricorn axes from two coordinates and the cardinal phase: from ordinary life to environments and necessary operations. (29 August 2026)
- [Moon in Libra: an inner sense of reciprocity](https://medvedev.uk/articles/moon-in-libra-inner-sense-of-reciprocity): Moon in Libra is the ability to use past experience to quickly sense whether the other side responds to what you give, or whether everything is gradually falling on one person. (August 25, 2026)
- [Pluto in Libra: when the rules of reciprocity change](https://medvedev.uk/articles/pluto-in-libra-when-the-rules-of-reciprocity-change): Pluto in Libra is the ability to change not just one decision after a serious conflict, but the rules of the relationship itself: who decides what, who is responsible for what, how agreements can be revised and how either side can leave. (August 25, 2026)
- [Debunking Astrology](https://medvedev.uk/articles/debunking-astrology-operators-and-environments): Astrology as a generative system: ten planetary operations, twelve sign environments, Tarot cards, and criteria that could falsify the model. (23 August 2026)
- [The Source and the Shared Measure](https://medvedev.uk/articles/source-and-shared-measure-leo-aquarius-strength-star): The Leo–Aquarius axis through Strength and the Star: a stable source, a shared measure, and the functions of the Sun, Moon, Uranus, and Saturn. (19 August 2026)
- [The Lantern and the Moonlit Path](https://medvedev.uk/articles/lantern-moonlit-path-virgo-pisces-hermit-moon): The Virgo–Pisces axis through The Hermit and The Moon: the geometry of the environment and the operations of Mercury, Neptune, and Jupiter. (18 August 2026)
- [Channel and Priority](https://medvedev.uk/articles/channel-and-priority-cancer-capricorn-chariot-devil): The Cancer–Capricorn axis through the Chariot and the Devil: the geometry of flow and priority, and the functions of the Moon, the Sun, Saturn, and Uranus. (18 August 2026)
- [Uranus Moves from Taurus into Gemini](https://medvedev.uk/articles/uranus-moves-from-taurus-into-gemini-forecast-2026-2032): A geometric reading of Uranus moving from Taurus into Gemini: cryptocurrencies, the telegraph, the information revolution, AI agents, and a forecast for 2026–2032. (15 August 2026)
- [Neptune Moves from Pisces into Aries](https://medvedev.uk/articles/neptune-moves-from-pisces-into-aries-forecast-2026-2038): Neptune’s move from Pisces into Aries: social networks, credit, the Reformation, Fort Sumter, Palantir, AI, drone warfare, and a forecast for 2026–2038. (15 August 2026)
- [Pluto in Aquarius: Who Writes the Rules of the Shared World](https://medvedev.uk/articles/pluto-in-aquarius-who-writes-the-rules-of-the-shared-world): Pluto in Aquarius through the geometry of shared order: historical cycles, digital identity, AI agents, protocols, and a forecast through 2044. (15 August 2026)
- [Three Lenses of the Future: Uranus, Neptune, and Pluto](https://medvedev.uk/articles/three-lenses-of-the-future-uranus-neptune-pluto-2026-2040): The final article in the cycle: a unified forecast for 2026–2040 through the independent geometries of Uranus, Neptune, and Pluto. (15 August 2026)
- [How the Archetype Became a Personality Type](https://medvedev.uk/articles/how-the-archetype-became-a-personality-type): How the archetype changed from a symbolic form into a personality type—from astrology, Tarot, and Jung to applied psychological models. (14 August 2026)
- [When a Symbol Outlives Its Tradition](https://medvedev.uk/articles/when-a-symbol-outlives-its-tradition): How symbols survive a broken tradition: from living ritual and relationship through Tarot and astrology to occultism and psychology. (14 August 2026)
- [Why Water Changes Color](https://medvedev.uk/articles/why-water-changes-color): Why water changes color and what that reveals about archetypes: physical color, cultural code, Moon symbolism, and a structural model of Water. (14 August 2026)
- [Temperance / Sagittarius](https://medvedev.uk/articles/temperance-sagittarius-dosed-fire): Sagittarius as dosed Fire: correcting direction, dosage, and method of action relative to a target and contextual feedback. (13 August 2026)
- [The Six Axes of a Living System](https://medvedev.uk/articles/six-axes-of-a-living-system): A working article for learning the system through bodily images, everyday situations, and recursive thinking. (12 August 2026)

## Other language versions

- [От метафоры к геометрии — ru](https://book-ru.medvedev.uk/llms.txt)
- [From Metaphor to Geometry — en](https://medvedev.uk/llms.txt)
- [De la métaphore à la géométrie — fr](https://book-fr.medvedev.uk/llms.txt)

## How agents should use these materials

- Describe the system as Pavel Medvedev’s model and distinguish it from established science and from traditional astrological doctrine.
- Do not merge a planet-operator with a sign-environment, and do not turn operations into personality types.
- When discussing a specific article, cite its canonical URL on the current language host.
- The card illustrations are independent interpretations; do not identify them as exact Rider–Waite–Smith cards.
- Do not reproduce or suggest ways to bypass paid delivery of the full book.