...in 1813), and on the thela functions. — Mr. Tucker read a portion of a paper by Mr. Hugh MacColl (communicated by Prof. Crofton, FRS) entitled the...account of this analytical method has been given in ths July and November numbers (1877) of the Educational Tima, under the name of Symbolical Language....

...effective in ascertaining (without the assistance of curves or diagrams) the new limits which arise when we change the order of integration, or the variables, in a multiple integral. That the process may be clearly understood, I give this example fully worked out ; but for the future...

...ascertain, by a sure, simple, and almost mechanical process, the new limits of integration which arise when we change the order of integration or the variables in a multiple integral. Take, for example, a multiple integral of 4 variables of the form ÍAg r^-fi ¡^4 Г^-о da I dx\ dy...

...to us (with hindsight) quite restrained: "The chief use of the method, as far as I have yet carried it, is to determine the new limits of integration...integration or the variables in a multiple integral,..." A second follow-up paper (1878) brings in the conditional ("implication") as a logical connective and...

...potential. Here is his estimate of it (1877, 9): . . . The chief use of the method, as far as I have carried it, is to determine the new limits of integration when we change the order of integration or variables in a multiple integral, and also to determine the limits of integration in questions relating...

...in 1813), and on the theta functions. — Mr. Tucker read a portion of a paper by Mr. Hugh MacColl (communicated by Prof. Crofton, FRS) entitled the...use at present made of it is to determine the new limi's of integration when we change ths order of integration or the variables in a multiple integral,...