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In mathematical logic, model theory is the study of the relationship between formal theories (a collection of sentences in a formal language expressing...

Measure theory — Model theory — Module theory — Morse theory — Nevanlinna theory — Number theory — Obstruction theory — Operator theory — Order theory — PCF...

mathematical model that describes all fundamental forces and forms of matter. Despite much work on these problems, it is not known to what extent string theory describes...

An attachment theory is a psychological and evolutionary theory concerning relationships between humans. The most important tenet is that young children...

Finite model theory is a subarea of model theory. Model theory is the branch of logic which deals with the relation between a formal language (syntax)...

Game theory is the study of mathematical models of strategic interactions. It has applications in many fields of social science, and is used extensively...

of a chaotic mathematical model or through analytical techniques such as recurrence plots and Poincaré maps. Chaos theory has applications in a variety...

Mathematics portal Glossary of set theory Class (set theory) List of set theory topics Relational model – borrows from set theory Venn diagram In his 1925 paper...

In model theory, a first-order theory is called model complete if every embedding of its models is an elementary embedding. Equivalently, every first-order...

A theory of everything (TOE), final theory, ultimate theory, unified field theory, or master theory is a hypothetical, singular, all-encompassing, coherent...

M-theory is a theory in physics that unifies all consistent versions of superstring theory. Edward Witten first conjectured the existence of such a theory...

accounts in part for its developing links with ergodic theory, finite group theory, model theory, and other fields. The term additive combinatorics is...

Atomic theory is the scientific theory that matter is composed of particles called atoms. The definition of the word "atom" has changed over the years...

theories: "Constructive theories" and "principle theories". Constructive theories are constructive models for phenomena: for example, kinetic theory....

relief theory, superiority theory, and incongruity theory. These theories are used as building blocks for the rest of the theories. Among current humor researchers...

mathematical model of the relation between the input and output based on the differential equations describing the system. Control theory dates from the...

maintaining the other system to prevent failure. The goals of systems theory are to model a system's dynamics, constraints, conditions, and relations; and...

Superstring theory is an attempt to explain all of the particles and fundamental forces of nature in one theory by modeling them as vibrations of tiny...

development of gauge theory and the completion of the Standard Model in the 1970s led to a renaissance of quantum field theory. Quantum field theory results from...

Wanting to distinguish critical theory as a radical, emancipatory form of Marxist philosophy, Horkheimer critiqued both the model of science put forward by...