עריסטו
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Is there a "positive" definition for irrational numbers?
An irrational number is a real number that cannot be expressed as a ratio of integers. Is it possible to formulate a "positive" definition for irrational numbers? A few examples: An irrational nu...
מספר ממשי x נקרא אי-רציונלי אם לכל מספר חיובי y קיימים מספרים שלמים a, b כך ש- zzz 0 < ax + b < y.