A tautology is a logical expression that is true for every possible truth assignment.
What Is Tautology?
A tautology is a logical expression that is true for every possible truth assignment.
Examples of Tautology
1
p ∨ ¬p is a tautology.Formula and Key Points
- Know the definition and standard notation for Tautology.
- Be able to recognise or compute tautology 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 program conditions, digital circuits, database queries, formal verification, search and decision logic.
Related Math Terms
Tautology: Frequently Asked Questions
What is Tautology?
A tautology is a logical expression that is true for every possible truth assignment.
Why is Tautology useful in computer science?
Used in program conditions, digital circuits, database queries, formal verification, search and decision logic.