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14
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3answers
11k views

“Amount” vs. “number” vs. “quantity”

For what values of x does one write the number of x, the amount of x, or the quantity of x?
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4answers
310 views

Order of universal and existential quantifier

In mathematics we use the universal and existential quantifiers (represented symbolically by ∀ and ∃, respectively) to make our lives easier. We can also use them in English. From a logical ...