![ClearDoubt on Twitter: "{Z} is a subset of the set of all rational numbers {Q}, which in turn is a subset of the real numbers. #cleardoubt #cleared #integers #Z #subset #mathematics #numbers # ClearDoubt on Twitter: "{Z} is a subset of the set of all rational numbers {Q}, which in turn is a subset of the real numbers. #cleardoubt #cleared #integers #Z #subset #mathematics #numbers #](https://pbs.twimg.com/media/FEzz5yVVUAADkjN.jpg)
ClearDoubt on Twitter: "{Z} is a subset of the set of all rational numbers {Q}, which in turn is a subset of the real numbers. #cleardoubt #cleared #integers #Z #subset #mathematics #numbers #
![Q x Q is countable. (qn) is a sequence containing all rational numbers. Such a sequence exists, because Q is counta… | Rational numbers, Mathematics, Land surveyors Q x Q is countable. (qn) is a sequence containing all rational numbers. Such a sequence exists, because Q is counta… | Rational numbers, Mathematics, Land surveyors](https://i.pinimg.com/736x/5e/73/61/5e7361bb1c45b5c65ac262f3cf88972c.jpg)
Q x Q is countable. (qn) is a sequence containing all rational numbers. Such a sequence exists, because Q is counta… | Rational numbers, Mathematics, Land surveyors
![Carnegie Institution of Washington publication. 216 HISTORY OF THE THEORY OF NUMBERS. [CHAP. V. On the ratios of the sides to the radius of the inscribed circle see Gerono,150 Ch. XXIII. Carnegie Institution of Washington publication. 216 HISTORY OF THE THEORY OF NUMBERS. [CHAP. V. On the ratios of the sides to the radius of the inscribed circle see Gerono,150 Ch. XXIII.](https://c8.alamy.com/comp/RFPH5D/carnegie-institution-of-washington-publication-216-history-of-the-theory-of-numbers-chap-v-on-the-ratios-of-the-sides-to-the-radius-of-the-inscribed-circle-see-gerono150-ch-xxiii-the-following-papers-were-not-available-for-report-c-klobassa-tjber-pythagoreische-u-heronische-zahlen-progr-troppau-1908-e-haentzschel-das-rationale-in-der-algebraischen-geometric-an-address-unterrichtsblatter-math-naturw-21-1915-1-5-rational-quadrilaterals-a-rational-quadrilateral-is-one-whose-sides-diagonals-and-area-are-expressed-by-rational-numbers-brahmegupta1-38-stated-that-RFPH5D.jpg)