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कौन-सी एक युक्ति अवैध है?

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in General by (19.5k points)

कौन-सी एक युक्ति अवैध है?

(A) \(A/ \therefore A\vee{B}\)

(B) A.B / \(\therefore{A}\)

(C) \(A /\therefore{A}​​​​\supset B\)

(D) उपर्युक्त में से एक से अधिक

(E) उपर्युक्त में से कोई नहीं

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1 Answer

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सही विकल्प है (C) \(A /\therefore{A}​​​​\supset B\)

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