capture the first-order expressible facts about the σ-structure. There are two common ways to specify theories: List or describe a set of sentences in...

In first-order theories, predicates are often associated with sets. In interpreted higher-order theories, predicates may be interpreted as sets of sets...

the field and provides basic definitions. A list of order-theoretic terms can be found in the order theory glossary. Orders are everywhere in mathematics...

second-order logic, there are syntactically consistent theories that are not satisfiable, such as ω-inconsistent theories. A complete consistent theory (or...

This is a list of notable conspiracy theories. Many conspiracy theories relate to supposed clandestine government plans and elaborate murder plots. They...

Non-well-founded set theory List of first-order theories § Set theories Holmes, M. Randall. "Alternative Axiomatic Set Theories". Stanford Encyclopedia of Philosophy...

List of Boolean algebra topics List of first-order theories List of large cardinal properties List of mathematical logic topics List of set theory topics...

List of computability and complexity topics List of first-order theories List of logic symbols List of mathematical logic topics List of set theory topics...

The New World Order (NWO) is a term used in several conspiracy theories which hypothesize a secretly emerging totalitarian world government. The common...

logical combinations of equalities and inequalities of expressions over real variables. The corresponding first-order theory is the set of sentences that are...

the first two terms, the solution to the known problem and the 'first order' perturbation correction. Perturbation theory is used in a wide range of fields...

equation First-order differential operator First-order linear differential equation First-order non-singular perturbation theory First-order partial differential...

first spin-off of Law & Order, it stars Mariska Hargitay as Detective (ultimately promoted to Captain) Olivia Benson, now the commanding officer of the...

mathematical order theory, an ideal is a special subset of a partially ordered set (poset). Although this term historically was derived from the notion of a ring...

structure C-minimal theory Spectrum of a theory Vaught conjecture Model complete theory List of first-order theories Conservative extension Elementary class...

elaborate conspiracy theories, the Illuminati are depicted as lurking in the shadows and pulling the strings and levers of power. This view of the Illuminati...

produced his theories in wave mechanics. In this paper Schrödinger referred to earlier work of Lord Rayleigh, who investigated harmonic vibrations of a string...

theory of uninterpreted functions with equality (sometimes referred to as the empty theory). Other theories include the theories of arrays and list structures...

This list includes well-known general theories in science and pre-scientific natural philosophy and natural history that have since been superseded by...

Resolution (logic) Simplification Transposition (logic) Formal proof List of first-order theories Metalanguage Metalinguistic variable Deductive system Metatheorem...

mathematics and logic, a higher-order logic (abbreviated HOL) is a form of logic that is distinguished from first-order logic by additional quantifiers...

which is a parameter of a procedure that is itself a procedure), returns a function as its result. All other functions are first-order functions. In mathematics...

end-extensions of the standard natural numbers).[citation needed] Gentzen's consistency proof Gödel's incompleteness theorems List of first-order theories Peano...

universe, as is illustrated by the work of Eric Chaisson and David Layzer. See also relational order theories and order and disorder. Continuous phase transitions...

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

Cayley. To the latter is due (1872) the theory of singular solutions of differential equations of the first order as accepted circa 1900. The primitive...

Law & Order: Special Victims Unit, the first spin-off of Law & Order, is an American police procedural television series that focuses on crimes of sexual...

a list of conspiracy theories, many of them misleading, disproven, or false, which were either created or promoted by Donald Trump, the president of the...

In the mathematical area of order theory, completeness properties assert the existence of certain infima or suprema of a given partially ordered set (poset)...

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