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Need help understanding these problems. 3. Find a countermodel for each of the following wffs. a. Ex p(x) * 3x g(x) 3x (p(x)*9(x)) b. 3x

Need help understanding these problems.

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3. Find a countermodel for each of the following wffs. a. Ex p(x) * 3x g(x) 3x (p(x)*9(x)) b. 3x Sy pix,y) x wy p(x, y) C. Vx plx,x) 3x wy pix,y)

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