What is the truth value of each of the following wffs in the interpretation where the domain consists of the integers.
a. (for all x) (there exists y) (x=y^2)
b. (for all x) (for all y) (x=y^2)
c. (there exists x) (for all y) (x=y^2)
d. (there exists x) (there exists y)(x=y^2)

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