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Date: 25-6-2017
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Date: 25-7-2021
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Date: 2-8-2021
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A basis for the real numbers , considered as a vector space over the rationals
, i.e., a set of real numbers
such that every real number
has a unique representation of the form
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where is rational and
depends on
.
The axiom of choice is equivalent to the statement: "Every vector space has a vector space basis," and this is the only justification for the existence of a Hamel basis.
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لخفض ضغط الدم.. دراسة تحدد "تمارين مهمة"
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طال انتظارها.. ميزة جديدة من "واتساب" تعزز الخصوصية
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عوائل الشهداء: العتبة العباسية المقدسة سبّاقة في استذكار شهداء العراق عبر فعالياتها وأنشطتها المختلفة
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