Question: For the string ( ( A A x ) ( ( A A z ) ( ( p - = z ) z = x

For the string ((AAx)((AAz)((p-=z)z=x))), choose ALL statements that apply.
a. The complexity is 4
b. This is not a first-order formula because it contains terms that are not included in atomic formulae
c. This is a Boolean formula, but not a first-order formula
d. This is a first-order formula with valid formula calculation:
z=x,p,z,(p-=z),((AAz)p-=z),(((AAz)(p-=z)z=x)),
((AAx)((AAz)((p-=z)z=x)))
 For the string ((AAx)((AAz)((p-=z)z=x))), choose ALL statements that apply. a. The

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