A statement form that has only true substitution instances is called …………………… | Faculties

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Ranjeet

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📊 Symbolic Logic

Q. A statement form that has only true substitution instances is called ……………………

(A) a “ tautologous statement form “ or a “ tautology”
(B) a self-contradictory statement form or contradiction
(C) A contingent statement form
(D) specific statement form

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✅ Correct Answer: (A) a “ tautologous statement form “ or a “ tautology”

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