أعداد أليف (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "أعداد أليف" in Arabic language version.

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ams.org

Swanson، Ellen؛ O'Sean، Arlene Ann؛ Schleyer، Antoinette Tingley (1999) [1979]، Mathematics into type: Copy editing and proofreading of mathematics for editorial assistants and authors (ط. updated)، Providence, R.I.: مجتمع الرياضيات الأمريكي، ص. 16، ISBN:0-8218-0053-1، MR:0553111

Jeff Miller. "Earliest Uses of Symbols of Set Theory and Logic". jeff560.tripod.com. مؤرشف من الأصل في 2018-11-26. اطلع عليه بتاريخ 2016-05-05. Miller quotes Joseph Warren Dauben (1990). Georg Cantor:His Mathematics and Philosophy of the Infinite. ISBN:9780691024479. : "His new numbers deserved something unique. ... Not wishing to invent a new symbol himself, he chose the aleph, the first letter of the Hebrew alphabet...the aleph could be taken to represent new beginnings..."

Jeff Miller. "Earliest Uses of Symbols of Set Theory and Logic". jeff560.tripod.com. مؤرشف من الأصل في 2018-11-26. اطلع عليه بتاريخ 2016-05-05. Miller quotes Joseph Warren Dauben (1990). Georg Cantor:His Mathematics and Philosophy of the Infinite. ISBN:9780691024479. : "His new numbers deserved something unique. ... Not wishing to invent a new symbol himself, he chose the aleph, the first letter of the Hebrew alphabet...the aleph could be taken to represent new beginnings..."