Jevons's contribution to the marginal revolution in economics in the late 19th century established his reputation as a leading political economist and logician of the time.
Jevons, portanto, faz a distinção entre verdade e aplicabilidade ou percepção, sugerindo que esses conceitos eram independentes no domínio da geometria.
Jevons formuleerde al vroeg in zijn carrière de leerstellingen die zijn meest karakteristieke en originele bijdragen aan de economie en logica zouden vormen.