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Axiomatic system

set of axioms from which some or all axioms can be used in conjunction to logically derive theorems

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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 22, 2026
Entity authorityQ792542
Source-derived summary

In mathematics and logic, an axiomatic system or axiom system is a standard type of deductive logical structure, used also in theoretical computer science. It consists of a set of formal statements known as axioms that are used for the logical deduction of other statements. In mathematics these logical consequences of the axioms may be known as lemmas or theorems. A mathematical theory is an expression used to refer to an axiomatic system and all its derived theorems.

A proof within an axiomatic system is a sequence of deductive steps that establishes a new statement as a consequence of the axioms. By itself, the system of axioms is, intentionally, a syntactic construct: when axioms are expressed in natural language, which is normal in books and technical papers, the nouns are intended as placeholder words. The use of an axiomatic approach is a move away from informal reasoning, in which nouns may carry real-world semantic values, and towards formal proof. In a fully formal setting, a logical system such as predicate calculus must be used in the proofs. The contemporary application of formal axiomatic reasoning differs from traditional methods both in the exclusion of semantic considerations, and in the specification of the system of logic in use.

The axiomatic method in mathematics

The reduction of a body of propositions to a particular collection of axioms underlies mathematical research.

Editorial summary

The public source identifies “Axiomatic system” as set of axioms from which some or all axioms can be used in conjunction to logically derive theorems. This brief keeps that definition visible, then builds a research path around Axiomatic, system and axioms.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 227-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Axiomatic, system and axioms providing the first useful test.
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This entry incorporates text from Axiomatic system” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.