Which of the following propositions is obverse and logically equivalent to the proposition 'No umpires are partisans'?निम्नलिखित में से कौन-सी प्रतिज्ञप्ति अग्रलिखित प्रतिज्ञप्ति की प्रतिवर्त (obverse) है और तार्किक रूप से उसके समतुल्य है – 'कोई भी निर्णेता पक्षपाती नहीं है'?
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Correct answer: D. All umpires are non-partisans.सभी निर्णेता गैर पक्षपाती हैं।
Explanation
Obversion changes the quality (E → A) and replaces the predicate by its complement. 'No S is P' becomes 'All S are non-P': All umpires are non-partisans, which is equivalent to the original.प्रतिवर्तन में गुण बदला जाता है (E → A) और विधेय के स्थान पर उसका पूरक पद रखा जाता है। 'कोई S, P नहीं है' बन जाता है 'सभी S, अ-P हैं': सभी निर्णेता गैर-पक्षपाती हैं, जो मूल के समतुल्य है।More Logical Reasoning questions
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