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In logic, what is a tautology?A . A statement that is true in some but not all possible worlds. B . A statement that is

In logic, what is a tautology?A

.

A statement that is true in some but not all possible worlds.

.

A statement that is true by necessity or by virtue of its logical form.

.

A statement that is true only when all its components are true.

.

A statement that can be proven using a finite number of steps.

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