WHAT IS...Cop Number?

What counts in grammatical number agreement?

Both notional and grammatical number affect agreement during language production. To explore their workings, we investigated how semantic integration, a type of conceptual relatedness, produces variations in agreement (Solomon & Pearlmutter, 2004). These agreement variations are open to competing notional and lexical-grammatical number accounts. The notional hypothesis is that changes in number...

What Is a Closed-Form Number?

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What Every Computer Scientist Should Know about Number Theory (v0.4)

Circulating tumor cells: determining its number and what it means.

WHEN Steven Paget published his theory of ‘‘seed and soil’’ in 1889 (1), the idea of hematogenous tumor cell dissemination was born. In many breast cancer patients, circulating cells with the characteristics of tumor cells can be identified in the peripheral blood that are known as circulating tumor cells (CTCs). These cells are present not only in patients with metastatic disease but also in t...

What counts in the development of young children's number knowledge?

Prior studies indicate that children vary widely in their mathematical knowledge by the time they enter preschool and that this variation predicts levels of achievement in elementary school. In a longitudinal study of a diverse sample of 44 preschool children, we examined the extent to which their understanding of the cardinal meanings of the number words (e.g., knowing that the word "four" ref...