The Universal & Atomic Elements of Organization
A falsifiable scientific theory proposing that the same irreducible structures organize both thought and reality — from the quantum to the social scale.
O-Theory proposes that four irreducible structures — Distinctions, Systems, Relationships and Perspectives (DSRP) — form the universal grammar of organization. Rather than being merely useful ways of thinking, these structures are hypothesized to be the atomic elements from which every organized phenomenon emerges, whether in cognition, biology, physics, mathematics, society, or the cosmos.
| D | S | R | P |
| Distinctions | Systems | Relationships | Perspectives |
| Identity ↔ Other | Part ↔ Whole | Action ↔ Reaction | Point ↔ View |
| D := (i ↔ o) | S := (p ↔ w) | R := (a ↔ r) | P := (ṗ ↔ v) |
This is a living scientific evidence compendium: an open, continually evolving collection of independent empirical research, formal theory, mathematical proofs, cross-disciplinary analyses, applications, critiques, and proposed falsifications. Every entry is included because it supports, refines, challenges, or attempts to falsify the theory.
Scientific theories are strengthened not only by evidence that confirms their predictions, but also by surviving attempts to falsify them. This compendium brings both together: independent evidence from researchers who were not testing DSRP and proposed counterexamples evaluated against the formal theory.
One counterexample is enough to falsify O-Theory. Until then, the question remains: do the same four structures organize everything from quantum systems to human thought?
Independent convergence is one of the strongest forms of scientific evidence because researchers arrive at the same conclusion while investigating different questions for different reasons.
The number is not the point. Researchers in different fields, studying different questions with different methods, repeatedly arrived at the same structural predictions—almost always without testing DSRP or using its language.
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This compendium began as the peer-reviewed literature review “A Literature Review of the Universal and Atomic Elements of Complex Cognition,” published in the Journal of Systems Thinking with 109 studies. That paper is the peer-reviewed foundation. What you see here is its living, continuously updated version . New studies are checked before they are added, and the collection now holds and keeps growing. Open any card to see what the researchers found, why it bears on DSRP, and where the original review discusses it, the fuller account.
The collection is updated continuously, so the citation carries the date you consulted it rather than a study count — the count changes weekly, and putting it in the reference would make the same collection look like a different work to everyone who cites it. To cite a single claim or study, use its own address: every one has a permanent link.
This is the adversarial half of the compendium. Where the evidence track asks what converges on DSRP, this one asks what would end it: a single organized phenomenon whose structure needs a fifth pattern, a ninth element, or a fifth structural dynamic. It holds written up from candidates across territories, and resolutions — the general answers those cases settle against. Every case is published whether it held or failed, including the ones still open.
Cite this rather than the evidence collection when the point is what survived attack. The two are separate works with separate addresses: one asks what converges on the theory, the other asks what would end it, and a reference to the first does not support a claim about the second. Case and resolution numbers change when the record is revised, so cite a case by its own permanent link rather than by number.
This collection is meant to keep growing. Send us a study, paper, book or critique that bears on DSRP, whether it supports the theory or cuts against it, and we will read it and decide whether it belongs.
Authors めいさん (Mei)
Year 2026
Publisher note (note.com), in the author's series "Systems Engineering as a Thinking Method"
Kind of work article
Discipline Engineering
Secondary disciplines Systems Science
Kind of engagement public
Applied false
To give general readers a usable thinking lens for everyday complexity by teaching the four DSRP patterns, and to gather up the topics covered earlier in the author's systems engineering series, which the post says DSRP bundles together.
A didactic post in five parts: an opening on why single fixes fail against complex problems; a definition of each of the four patterns with its two elements and an illustration; a statement of the benefits of using them; a worked example applying all four to one situation; and a summary with a four-verb mnemonic, followed by a reference list and the author's biography.
The author concludes that DSRP is an everyday and universally applicable thinking tool, and that holding the four lenses in mind lets a person find structure in situations that otherwise feel chaotic.
A Japanese systems engineering practitioner teaches the four DSRP patterns to a general readership, attributing them to Derek Cabrera and to the INCOSE Systems Engineering Handbook, and works all four through a single example: a high school class running a takoyaki stall at a culture festival.
The post is the eighth installment of a Japanese-language series on systems engineering as a way of thinking, and it treats DSRP as the structure that ties the earlier installments together. Cabrera is named in the body text, described as a systems theorist and cognitive scientist, and linked to his Wikipedia entry; the post's authority for the framework, however, is the INCOSE Systems Engineering Handbook, fifth edition, which it says presents DSRP as the four universal rules underlying the various approaches to systems thinking. The reference list carries the handbook alongside ISO/IEC/IEEE 15288, ISO/IEC/IEEE 42010, the SEBoK, and the DSRP encyclopedia entry. Laura Cabrera is not mentioned, and Systems Thinking Made Simple does not appear. Each pattern is given its two elements. Distinctions are drawn by asking what something is and what it is not, with the gloss that awareness of a self entails awareness of a not-self. Systems are part and whole at once. Relationships are action paired with reaction rather than a one-way arrow. Perspectives are a viewpoint together with what is seen from it, and the post emphasizes switching between them. The worked example is a high school class running a takoyaki stall at a culture festival, and each pattern does separate work on it. The distinction question separates what the class controls, its equipment and its staff, from the shared environment of hallways, water, and electrical outlets, which settles where responsibility ends. The systems question splits the stall into cooking, serving, and cashier roles that compose one operation, and asks whether a failure sits in a part or in how the parts are joined. The relationship question takes a hundred-yen price cut as an action and traces its reactions: more customers, then ingredient shortages, then a slower line. The perspective question sets the customer's view, cheap food but a long wait, against a visiting teacher's safety-inspection view, which surfaces blocked hallways and missing bins that none of the other three questions reached.
The post states each pattern correctly, including both elements of each, which is the detail most short introductions drop. Its choice of example is better than it looks. A takoyaki stall is small enough that a reader can hold all of it, and the post uses it to make the four patterns do four different jobs rather than four restatements of one: the boundary question settles authority, the part-whole question localizes a failure, the action-reaction question turns a price cut into a stock shortage, and the perspective question produces the fire-safety view that no amount of work on the other three would have produced. That last point is the one worth noticing, because it demonstrates rather than asserts why a perspective is a pattern and not a courtesy. Where the post stops short is in presenting the four as a list of lenses to apply in turn. It does not show them composing: a relationship treated as a distinction, a perspective taken on a system, a part that is also a whole at the next scale down. Grounding the account in the INCOSE handbook rather than the theory's own literature is probably why, since the handbook states the four rules without the dynamics that make them generative. A reader finishing this post can ask four good questions, which is a real gain, and will not yet know that the questions can be aimed at each other.
Patterns it shows D, S, R, P
Added 2026-11-02
How to cite this めいさん (Mei) (2026). 【第8回】頭の中がぐちゃぐちゃ？思考のレンズ「DSRP」で世界の見方を変えよう！ (Part 8: Is your head in a jumble? Change how you see the world with the DSRP thinking lens). note (note.com), in the author's series "Systems Engineering as a Thinking Method".