q、 ADMU COLLEGE OF LAW Midterm ExanliElatiOns,2nd Sem。 2013‐2014 A“y.Joaquin P。 Obieti January 20,2014 I. l) \[hat is a categorical proposition? 2) What is a categorical syllogism? 3) when is a categorical proposition said to be invalid? 4) when is a standardform categorical syllogism saidto be true? 5) what is meant by the formal nature of syllogistic arguments? II.a) Using professor as subject term and lousy dresser as predicate term, write the four standard form categorical propositions and tagilabel each one with the proper letter n€lme. b) If the particular negative of the above is FALSE, what is the truth or falsity of each of the three other propositions? m. If "Some merchants are not pirates" is true, what may be inferred about the truth or falsehood of the following propositions? Tirat is, which could be known to be true, which known to be false, and which would be undetermined? (a) No pirates are merchants. (b) Some nonmerchants are nonpirates. (c) Some nonpirates are not nonmerchants. (d) No merchants are pirates. IV.Test■e validity of each Venn diagram. 1)AⅡ-1 2)EIO-2 of the f0110wing syl10gistic fO11..s by means Of a 3)A00-3 4)AAA-4 5)EAO-2 0判tl LЁじAL TECHNIQOE&REASONINё ~~~‐ …` ~ I‐ D&I‐ E Page 1 ン ● タ o^T a 4L V. Answer the following questions by applying the six rules for standard-form syllogisnrs. The questions, as crafted, do not require you to make a schema in order to arrive at the correct answer. Study.the question carefully before you answer. Explain your answer very briefly, preferably in one sentence. l) In one sentence, explain why EAE-3 does not commit the fallacy of undistributed middle. 2) Why can none of the following syllogistic forms commit the fallacy of illicit minor? (AEO-I, AOO-2, AAI-3, AII-4) Why can none of the following syllogistic forms commit the fallacy of illicit major? (AIA-I , AIA-2, AII-3, AII-4) Which of these four syllogistic forms commits the existential fallacy? (IIO-I , rr&-2, OIO-3, EAO-4) 5) Which of these five syllogistic forms commit the fallacy of four terms? (EEE-I, OOO-2, EEE-3, OOO-4, EEA_I) VI. For each of the four arguments below [separate page f