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One first? Acquisition of the cardinal and ordinal uses of numbers in preschoolers

✍ Scribed by Àngels Colomé; Marie-Pascale Noël

Book ID
119294280
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
376 KB
Volume
113
Category
Article
ISSN
0022-0965

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The theorem of the means for cardinal an
The theorem of the means for cardinal and ordinal numbers
✍ George Rousseau 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 382 KB

## Abstract The theorem that the arithmetic mean is greater than or equal to the geometric mean is investigated for cardinal and ordinal numbers. It is shown that whereas the theorem of the means can be proved for __n__ pairwise comparable cardinal numbers without the axiom of choice, the inequalit