Free online math practice
Discrete mathematics identities Practice
Common counting, logic, set, graph, and recurrence identities.
Start practicingDiscrete mathematics identities
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What you’ll practice
Counting, sets and logical statements use different kinds of objects. Read the domain and conditions attached to each identity before completing it.
Where this helps
Computer science, proofs, algorithms, and structured counting.
Before you start
Use this topic to practice math you have already learned. The examples show the available kinds of recall tasks; this is not a complete textbook chapter. Check the answer form and any stated conditions.
Try a few examples
Real practice. Real progress.
Example 1 of 4
Choose the exact expression.
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Start practicingDiscrete mathematics identities
- Free to practice.
- No account required.
- Progress stays on this device.