A set A is a subset of B when every element of A is also an element of B.
What Is Subset?
A set A is a subset of B when every element of A is also an element of B.
Examples of Subset
1
{1,2} ⊆ {1,2,3}.Formula and Key Points
Formula / rule
A ⊆ B
- Know the definition and standard notation for Subset.
- Be able to recognise or compute subset in a small example.
- Connect the concept to nearby topics in the same subject before using it in larger CSE problems.
Why This Matters in Computer Science
Used in databases, data structures, automata, logic, query operations, permissions and discrete mathematics.
Related Math Terms
Subset: Frequently Asked Questions
What is Subset?
A set A is a subset of B when every element of A is also an element of B.
Why is Subset useful in computer science?
Used in databases, data structures, automata, logic, query operations, permissions and discrete mathematics.