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Mathematics, 28.04.2021 03:30 987654321156
Determine the truth value of each statement in each item. The domain of discourse is the set of real numbers. Justify your answers.
1.For some x, for some y, x2 < y + 1
2.For every x, for every y, x2 + y2 = 9
3.For some x, for some y, x2 + y2 = 9
4.For some x, for every y, x2 + y2 = ≥0
5.For every x, for some y, if x < y, then x2 < y2
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