Question: Suppose that s is a proposition over Z. I fT = {-1, 1} then which one of the following propositions is equivalent to s? Select

Suppose that s is a proposition over Z. I fT = {-1, 1} then which one of the following propositions is equivalent to s? Select one: Ob. x2 - 1 =0 Oc. x'+1=0 Od. x2-x- 1=0 Oe. x+1=0

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