Question
Two statements are given, followed by three conclusions
numbered I. II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: Some papers are pens. No pen is pencil. Conclusions: I. No paper is a pencil. II. Some pens are papers. III. No pencil is a paper.Solution
Some papers are pens (I) + No pen is pencil (E) → Some papers are not pencils (O). Hence neither conclusion I nor III follow. Some papers are pens (I) → Conversion → Some pens are papers (I). Hence conclusion II follows.
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Three Statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with c...
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