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How do we explain part d and e? Its 5 marks for

these parts


(c) Consider the statement VIEly-IPCB, 1:}. Write down a negation of the statement that does not
use the symbol -. [21 ((1) Under the interpretation where :t' and y are in R — {0} and P(z, y] is “my 2 0” , is the original
statement in (c) true or is its negation true?
(e) Is the statement {33{P{1) V (2(3)) ] —) [(EIer(:r)) V (3:Q{z]]) valid? If it is, explain why. If it isn‘t, give an interpretation under which it is false.

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c. x y P ( x , y ) d. The original statement in... View the full answer

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