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Consider the following formula . x(P(x,y)R(y))yQ(x,y) NB: check parentheses carefully (i) Draw the parse tree of . (ii) Mark the free and bound variables on

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Consider the following formula . x(P(x,y)R(y))yQ(x,y) NB: check parentheses carefully (i) Draw the parse tree of . (ii) Mark the free and bound variables on the tree. (iii) Let f be a function with one argument. Is f(x) free for y in ? Explain your

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