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Date: 3-8-2021
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Date: 14-6-2021
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Date: 23-7-2021
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A topology induced by the metric defined on a metric space . The open sets are all subsets that can be realized as the unions of open balls
where , and .
The metric topology makes a T2-space. Given two distinct points and of , their distance is certainly positive, so the open balls and are disjoint neighborhoods of and , respectively.
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مخاطر عدم علاج ارتفاع ضغط الدم
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اختراق جديد في علاج سرطان البروستات العدواني
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مدرسة دار العلم.. صرح علميّ متميز في كربلاء لنشر علوم أهل البيت (عليهم السلام)
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