Start Here
A plain-English entry point for the system: what Socionics is, what the sixteen types are, and how to begin without drowning in terminology.
Open the guideIndependent Socionics Guide
TetraTypes
A clear route into the sixteen types, Model A, Model L, and the four quadra currents.
Start with the basics, explore the types, then go deeper into the structure underneath personality and relation.
Start Here
What TetraTypes Is
TetraTypes is an independent guide to Socionics: the sixteen types, the four quadras, intertype relations, and the deeper structure behind Model A and Model L.
The aim is practical before it is philosophical. You can use the site to learn the basic type system, compare types, understand relationships, practise typing, and explore Model L when you are ready for a higher-resolution map.
Underneath that practical route is a larger idea: type is not just a list of traits. It is a pattern of information metabolism: what a person notices, values, resists, seeks, and translates into action.
Choose your way in
The Sixteen Types
Browse the type profiles, quadras, temperaments, clubs, and type patterns. This is the best place to connect the theory to people.
View the typesIntertype Relations
Explore how types interact: what tends to feel easy, strained, energising, confusing, supportive, or exposing.
Explore relationsModel A
The classic Socionics structure: eight elements, eight positions, valued blocks, quadras, and the basic mechanics of type.
Learn Model AFrom Model A To Model L
A transition route for readers who know the classical model and want to understand why Model L adds more resolution.
Cross the bridgeModel L
The high-resolution map: monadic elements, capacities, radial positions, demand, and the generated coordinate field.
Open Model LQuadra Currents
The Four Metabolic Worlds
The four quadras are not just social clubs. They are four ways information becomes meaning, significance, purpose, and value.
Meaning
Experience becomes ideas, possibility, humour, shared curiosity, and conceptual play.
Significance
Inner narrative becomes codes, drama, loyalty, mobilisation, and public force.
Purpose
Strategic perception becomes decisive action, leverage, consequence, and personal aim.
Value
Practical experience becomes trust, craft, care, growth, and sustainable usefulness.
What's New
Latest TetraTypes Updates
Recent essays, tools, games, videos, and Model L additions in one place.
· Blog
Did the Tree Make a Stimulation? Berkeley, Sound and the Phenomenal State
The falling-tree riddle read through Model L: Locke and Berkeley on sound, Kimani White's Phenomenal State, and Observation versus Stimulation.
Read the post
· Blog
Socionics as Folk Theory: Reading Minds Without a Laboratory
Socionics as folk psychology made explicit: Theory Theory, Simulation Theory, and an LII–SEE typing disagreement. Written for Ethan's relaunch of Beat's Hovel.
Read the post
· Site
Every Video in One Place
A new Videos page gathers the whole channel by series: Conjectures, In Motion, the Video Guides, Conceptual Foundations, In Depth, Atlas of Ideas and the songs.
Browse the videos
· App
Ausra's Engine: Two Engines Meshed
Mesh two types' engines together and watch all sixteen intertype relations turn: which strokes meet, which gears drive each other, and where they grind.
Mesh two engines· App
Ausra's Engine
Explore all sixteen types through a four-stroke engine cycle, with mental and vital gears, element codes, and controls for stepping through dichotomy poles.
Open Ausra's Engine
· Blog
The Farm Commerce Could Not Explain: Wollstonecraft and EII
Wollstonecraft's Scandinavian letters judge commerce by the independence and obligations it leaves to households, friends and dependants.
Read the post