Mathematical Psychics: An Essay on the Application of Mathematics to the Moral Sciences

abscissa abstract Appendix articles of contract Bertrand's Theorem Calculus of Variations capacity catallactic co-ordinates combination conception condition consideration contract-curve contractors corresponding curve dealer deducible definition demand-curve determinate diminished distribuend distribution dy dx Economics Egoistic electro-magnetic force equal number equilibrium Ethics evolution field of competition final settlements Fortnightly Review function G. H. Lewes given greatest possible happiness Hedonism Herbert Spencer hypothesis imperfection increase indefinite number indeterminate indifference indifference curves indifference-curve individual intersection Jevons labour landlord less locus mathematical reasoning Maxima and Minima maximum means ments method minimum moral motion move object parties perfect competition physical portion positive postulate premisses present principle problem Professor Jevons's psychics quantity rate of exchange recontract remuneration sense Sidgwick similarly Social Science species suppose Tait tends theorem theory Thomson tion Todhunter's Trades Unions utility variable wage-fund Walras zero