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Question 9 (10 points) Which of the following is the correct predicate calculus translation of the sentence There is some racan i get help with these

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9)
a) for all rational number the number is positive and reciprocal is negative
b) there is some rational number if the number is positive then the reciprocal is negative
c) for all rational numbers if the number is positive then the reciprocal is negative
d) there is some rational number that is positive whose reciprocal is negative
so the answer is option D
10)
a) among the group of friends everyone knows everyone
b) among the group of friends everyone knows somebody in the group
c) among the group of friends some people knows everyone
d) N is not related to the question so this is not the answer
so the answer is option A

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