Irreducible Fraction - Uniqueness

Uniqueness

Every rational number has a unique representation as an irreducible fraction. Uniqueness is a consequence of the unique prime factorization of integers, since implies ad = bc and so both sides of the latter must share the same prime factorization.

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    Until now when we have started to talk about the uniqueness of America we have almost always ended by comparing ourselves to Europe. Toward her we have felt all the attraction and repulsions of Oedipus.
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