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 Monat, Jamie P. and Gannon, Thomas F.
Year 2023
Publisher Systems (MDPI), vol. 11, no. 2, article 92
Kind of work article
Discipline Systems Science
Secondary disciplines Engineering
Kind of engagement scholarly
Applied false
Read it at the publisher 10.3390/systems11020092
To show that "systemic structure," though ubiquitous in systems thinking, is defined inconsistently or vaguely across the literature, and to propose a single logical and practical definition in its place.
A concept paper. A critical review of how systems thinking writers define structure, including Cabrera and Cabrera and Cabrera et al., followed by a conceptual argument, a proposed definition, and worked illustrations.
The authors propose that structure in systems thinking means the cause-and-effect manner in which system components interrelate to yield system behavior, together with the rules, laws, protocols, procedures, policies and incentives or rewards that govern those interactions. On DSRP specifically they hold that the empirical validation of the model is useful but does not fully clarify the meaning of structure, and that Cabrera and Cabrera describe structure in a variety of ways, from patterns to simple rules a thing follows to grammar and syntax to hidden contextual structure. Their final definition does not adopt the DSRP elements.
A concept paper on what "structure" means in systems thinking, which reviews Cabrera's account of structure as the five DSRP elements, judges its empirical validation useful but insufficient for defining structure, and proposes a cause-and-effect definition instead.
Monat and Gannon survey how systems thinking writers use the word "structure" and find the usages in conflict. Cabrera's work appears once in that survey, in the literature review, and nowhere else in the paper. They record two things about it. The first is that Cabrera and Cabrera describe structure in several ways across their writing — as patterns, as simple rules a thing follows, as grammar and syntax, as hidden contextual structure contributing to meaning, and as physical or geometric relationships among components. The second is that Cabrera, Cabrera and Cabrera define structure as five elements: action-reaction relationships, feedback loops, identity-other distinctions, part-whole systems, and point-view perspectives. The authors then deliver their verdict in a single sentence: the empirical validation of the DSRP model is useful but does not fully clarify the meaning of structure. They do not argue that DSRP is wrong, do not dispute any of the five elements, and do not explain why their own definition declines to use them. That definition, given at the end of the paper, is the cause-and-effect manner in which system components interrelate to produce behavior, plus the rules, laws, protocols, procedures, policies and incentives governing those interactions.
The objection is narrow and the authors state it narrowly: the empirical validation is useful, and it does not settle what the word "structure" should mean. The step that fails is the one connecting those two clauses. The validation Cabrera reports is of a claim about how information is organized — that identity-other, part-whole, action-reaction and point-view are the operators any organized body of information decomposes into — and DSRP publishes the condition that would refute it, along with a channel for submitting counterexamples. Settling a terminological dispute inside systems thinking discourse is a different undertaking, and finding that the evidence does not do it is not a finding about the evidence. The second charge, that the Cabreras describe structure in a variety of ways, lists descriptions pitched at different levels of one account rather than rival definitions: patterns, simple rules, and grammar and syntax are three ways of saying that a small set of operators generates an unbounded set of forms. The paper's own definition then arrives at the elements it declined to adopt. Cause and effect among components is action-reaction; "components" of a system that "yields behavior" presupposes part-whole and the identity-other boundary that makes a component one thing rather than another; and the governing rules, policies and incentives select which interactions count as structural, which is a point-view brought to bear. Monat and Gannon have not replaced the elements. They have written a definition out of four of them and left the fifth, feedback, standing in their text under its own name. Feedback however, is simply two action-reaction relationships between relata.
Patterns it shows D, S, R, P
Added 2026-10-14
How to cite this Monat, Jamie P. and Gannon, Thomas F. (2023). The Meaning of "Structure" in Systems Thinking. Systems (MDPI), vol. 11, no. 2, article 92.