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3. What is the meaning (in natural language) of each of the following wff? a. Bought(Frank, Dvd) b. x Bought(Frank, x ) c. x (Bought(Frank,

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3. What is the meaning (in natural language) of each of the following wff? a. Bought(Frank, Dvd) b. x Bought(Frank, x ) c. x (Bought(Frank, x) Bought(Susan, x) ) d. x Bought(Frank, x)x Bought(Susan, x ) e. xy Bought (x,y) f. xy Bought (x,y)

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