Mathematics, 10.10.2019 22:30 rexard

Suppose ℤ denotes the set of all integers, ℤ+ denotes the set of all positive integers, and ℤ− denotes the set of all negative integers. similarly ℝ denotes the set of all real numbers, ℝ+ denotes the set of all positive real numbers, and ℝ− denotes the set of all negative real numbers. suppose ℕ denotes the set of all natural numbers and ℚ denotes the set of all rational numbers. enter "t" for each true, and "f" for each false statements.(a) z / q = z(b) z / z- = z+

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Suppose ℤ denotes the set of all integers, ℤ+ denotes the set of all positive integers, and ℤ− denot...