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Computer Science

Define the term Contingency, Contradiction and Tautology.

Boolean Algebra

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Answer

Contingency
When a propositional statement is concluded into true as well as false for different values of the variables, it is said to be Contingency.

Contradiction
When a propositional statement is false for all values of the variables, it is said to be Contradiction.

Tautology
When a propositional statement is true for all values of the variables, it is said to be Tautology.

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