Q: Which of the following statements about tautology, contradiction and contingency are correct?
(A) A tautology is a statement that is true in every possible valuation of its components;
(B) A contradiction is a statement that is false in every possible valuation;
(C) A contingent statement is true in all possible valuations;
(D) If an argument’s conclusion is a tautology, the argument is automatically valid regardless of its premises;
(E) In UGC NET logic, distinguishing tautology, contradiction and contingency aids validity checking;
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Q: Which of the following statements about comparing Nyaya inference and Western syllogism are correct?
(A) In Western logic, a standard categorical syllogism is usually presented in three parts: two premises and a conclusion;
(B) In Nyaya, parārthānumāna traditionally uses five members: pratijñā, hetu, udāharaṇa, upanaya and nigamana;
(C) One reason for the five-member structure is to make explicit the universal concomitance and its application to the pakṣa;
(D) In UGC NET questions, an example like “The hill has fire because it has smoke” may be analysed into these members;
(E) Western logic never considers more than three steps in any argument and cannot represent longer chains of reasoning;
(F) Both traditions ultimately seek to establish a conclusion on the basis of reasons, despite differences of presentation;
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Q: Which of the following statements about premises and conclusions in an argument are correct?
(A) In a standard argument, premises are offered as reasons to believe the conclusion;
(B) Indicator words like “because” and “since” often signal premises;
(C) Indicator words like “therefore” and “thus” typically signal conclusions;
(D) Every group of statements containing “because” and “therefore” automatically forms a logically valid argument;
(E) In UGC NET reasoning, distinguishing premises from conclusions helps in evaluating arguments;
(F) A conclusion of an argument can never appear at the beginning of the passage;
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Q: Which of the following statements about Cārvāka (Lokāyata) position on inference are correct?
(A) Cārvāka accepts perception as the only independent pramāṇa;
(B) Many Cārvāka thinkers criticise inference because the universal relation between hetu and sādhya cannot be securely known;
(C) Some Cārvākas allow limited practical use of inference in everyday affairs;
(D) Cārvāka fully endorses Vedic verbal testimony as an infallible pramāṇa;
(E) UGC NET questions on Indian logic may contrast Nyaya and Cārvāka attitudes toward inference;
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Q: Which of the following statements about hypothetical syllogisms are correct?
(A) A valid pure hypothetical syllogism can have the form: If p then q; if q then r; therefore if p then r;
(B) Mixed hypothetical syllogisms combine at least one conditional premise with a categorical premise;
(C) Modus ponens and modus tollens are examples of mixed hypothetical syllogisms;
(D) Any argument with two conditionals and one categorical conclusion is automatically valid;
(E) In UGC NET reasoning, students may be tested on identifying such syllogistic forms;
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Q: Which of the following statements about strong and weak arguments in statement–argument questions are correct?
(A) A strong argument in the exam context is directly related to the statement and is both logically relevant and practically important;
(B) A weak argument is usually based on emotional appeal or irrelevant considerations;
(C) In statement–argument questions, a strong argument must always support the given statement; any opposing argument is automatically weak;
(D) Evaluating the authority or credibility of the source can be part of judging argument strength;
(E) Arguments that introduce completely new issues unrelated to the statement are usually considered weak;
(F) In UGC NET Paper 1, some questions explicitly ask which of the given arguments are strong or weak;
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Q: Which of the following statements about pramāṇas in Nyaya and other schools are correct?
(A) Nyaya recognises perception, inference, comparison (upamāna) and verbal testimony (śabda) as four independent pramāṇas;
(B) In Nyaya, comparison (upamāna) involves knowing the relation between a word and its object through similarity;
(C) Verbal testimony in Nyaya is confined only to sacred scriptures and is never extended to ordinary trustworthy persons;
(D) Some other schools, such as Mīmāṃsā, add arthāpatti and anupalabdhi to the list of pramāṇas;
(E) Cārvāka accepts all four Nyaya pramāṇas along with additional sources of valid knowledge;
(F) UGC NET questions on pramāṇas may provide lists and ask which belong specifically to Nyaya;
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Q: Which of the following statements about categorical propositions (A, E, I, O) are correct?
(A) A-type propositions are universal affirmatives of the form “All S are P”;
(B) E-type propositions are universal negatives of the form “No S are P”;
(C) I-type propositions are particular affirmatives of the form “Some S are P”;
(D) O-type propositions are particular negatives of the form “Some S are not P”;
(E) In UGC NET reasoning, understanding A, E, I, O forms helps in solving syllogism questions and immediate inferences;
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