A mathematical course for the University of London. (2nd)

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Pàgina 6 - R for which the following conditions are satisfied: (i) (« + b) + c — a + (b + c) and (a . b) . c — a . (b . c) for all a, b, c, e R (associative).
Pàgina lxviii - A privateer running at the rate of 10 miles an hour discovers a ship 1 8 miles off making way at the rate of 8 miles an hour : how many miles can the ship run before being overtaken?
Pàgina lxii - Explain fully what is meant by a fraction, and show that the value of a fraction is not altered by multiplying the numerator and denominator by the same number.
Pàgina 54 - Hence, if either of these equal products be divided by one of the mean terms the quotient will be the other.
Pàgina xxxii - If the numerator and denominator of a fraction be multiplied by the same number, the value of the fraction is not altered.
Pàgina liii - When any number of quantities are proportionals, as one antecedent is to its consequent, so is the sum of all the antecedents to the sum of all the consequents.

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