A statement whose truth value is always 'True' is called a ______.

Satisfiable

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Contradiction

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Tautology

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Compound

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Solution

The correct option is C Tautology

A statement whose truth value is always 'true' is called a tautology.

A tautology is a formula or assertion that is true in every possible interpretation.

A tautology is a formula which is "always true" that is, it is true for every assignment of truth values to its simple components.

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