Determine the truth set of the predicate: P(x): x € R/ x² − 3x + 1 = 0: 2 Solution: This is {x € R | x² − 3x + 1 = 0} = {x € R | x = ³±√5}. = {x € R | x = ³+√5 or³-√5] = {3+√5, 3-√5}. 2 2

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