Skip to content

Home
Subjects
Past Papers
Key Terms

My Courses

Select your courses

Subjects

History
Geography
Biology
Chemistry
Physics
Mathematics

Resources

Browse Courses
Past Papers
Key Terms & Definitions
Pricing

About

Sign Up
Log In
Privacy Policy
Terms of Service

© 2026 GradeGen.AI

Not affiliated with any exam board.

Cardinality (n(A)) — OCR Mathematics Definition | GradeGen.AI

Courses
Mathematics
Key Terms
Cardinality (n(A))

GCSEOCRJ560

Cardinality (n(A))

Key term for OCR GCSE Mathematics, used in Combined Events.

Definition

The count of elements in a set, denoted as n(A).

Exam Context

Cardinality (n(A)) appears in OCR GCSE Mathematics revision content for Probability, especially Combined Events and Venn Diagrams.

Probability Combined Events Venn Diagrams

Found in Revision Notes

Probability

Venn Diagrams

Combined Events • Venn Diagrams

Related Key Terms

Complement (A')Dependent Events Element Empty Set

Revise Mathematics with GradeGen.AI

Create a free account to access OCR GCSE Mathematics revision notes, track progress, and practise related key terms.

Sign Up to Start Revising Log In

Intersection (∩)

Restricted Sample Space