#### Sentence Examples

• For this reason the umbrae -a 2, a l are said to be cogredient to 5 1 and x 2.
• We frequently meet with cogredient and contragedient quantities, and we have in general the following definitions:-(i) " If two equally numerous sets of quantities x, y, z,...
• By the same scheme of linear substitution the two sets are said to be cogredient quantities."
• We may in any relation substitute for any pair of quantities any other cogredient pair so that writing -}-d 2, -d l for x 1 and x 2, and noting that gx then becomes (gd), the above-written identity bceomes (ad)(bc)+(bd)(ca)+(cd)(ab) = 0.
• The repetition of the process brought the same results.