ThmDex – An index of mathematical definitions, results, and conjectures.

▼	Set of symbols
▼	Alphabet
▼	Deduction system
▼	Theory
▼	Zermelo-Fraenkel set theory
▼	Set
▼	Structure
▼	Algebraic structure
▼	4-structure of basic real numbers

Definition D4707

3-structure of basic real numbers