(philosophy) The view that the observable world is material with certain elements of mathematics needed to describe and explain it.

The quality of being mathematical.

(Australia, Queensland) The least advanced of the three OP-eligible mathematics subjects available to Queensland students in years 11 and 12.

(philosophy) A doctrine that mathematical entities such as numbers and triangles exist independently of the human mind.

(computer science) A study of formal semantics of computer languages, such as denotational semantics.

(logic) A subfield of logic and mathematics consisting of both the mathematical study of logic and the application of this study to other areas of mathematics, exemplified by questions on the expressive power of formal logics and the deductive power of formal proof systems.

(statistics) The study of statistics from a purely mathematical standpoint, using probability theory, measure theory, linear algebra and analysis.

(mathematics) The mathematical study of functions, sequences, series, limits, derivatives and integrals.

(mathematics) A set together with a collection of mathematical objects such as other sets, relations or operations which endow it with additional structure.

(mathematics) A theory and technique for the analysis and processing of geometrical structures, based on set theory, lattice theory, topology, and random functions.