34 Facts About Stanley Jevons

William Stanley Jevons was an English economist and logician.

Stanley Jevons broke off his studies of the natural sciences in London in 1854 to work as an assayer in Sydney, where he acquired an interest in political economy.

Stanley Jevons received public recognition for his work on The Coal Question, in which he called attention to the gradual exhaustion of Britain's coal supplies and put forth the view that increases in energy production efficiency leads to more, not less, consumption.

Stanley Jevons's father, Thomas Jevons, was an iron merchant who wrote about legal and economic subjects as well.

Stanley Jevons left the UK for Sydney in June 1854 to take up a role as an Assayer at the Mint.

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Stanley Jevons lived with his colleague and his wife first at Church Hill, then in Annangrove at Petersham and at Double Bay before returning to England.

Stanley Jevons resigned his appointment, and in the autumn of 1859 re-entered the University College London as a student.

Stanley Jevons was granted B A and M A degrees from the University of London.

Stanley Jevons now gave his principal attention to the moral sciences, but his interest in natural science was by no means exhausted: throughout his life he continued to write occasional papers on scientific subjects, and his knowledge of the physical sciences greatly contributed to the success of his chief logical work, The Principles of Science.

Not long after taking his M A degree, Jevons obtained a post as tutor at Owens College, Manchester.

Stanley Jevons arrived quite early in his career at the doctrines that constituted his most characteristic and original contributions to economics and logic.

Stanley Jevons did not explicitly distinguish between the concepts of ordinal and cardinal utility.

Stanley Jevons was engaged at the time of his death upon the preparation of a large treatise on economics and had drawn up a table of contents and completed some chapters and parts of chapters.

For example, Stanley Jevons explained that improving energy efficiency typically reduced energy costs and thereby increased rather than decreased energy use, an effect now known as the Stanley Jevons paradox.

Jevons's son, H Stanley Jevons, published an 800-page follow-up study in 1915 in which the difficulties of estimating recoverable reserves of a theoretically finite resource are discussed in detail.

In 1875, Stanley Jevons read a paper On the influence of the sun-spot period upon the price of corn at a meeting of the British Association for the Advancement of Science.

Stanley Jevons's reasoning was that sunspots affected the weather, which, in turn, affected crops.

In 1864 Stanley Jevons published a Pure Logic; or, the Logic of Quality apart from Quantity, which was based on Boole's system of logic, but freed from what he considered the false mathematical dress of that system.

Stanley Jevons expressed this principle in its simplest form by saying: "Whatever is true of a thing is true of its like", and he worked out in detail its various applications including the logical abacus, a mechanical computer he designed and had built in 1866.

Stanley Jevons's general theory of induction was a revival of the theory laid down by Whewell and criticised by John Stuart Mill; but it was put in a new form, and was free from some of the non-essential adjuncts which rendered Whewell's exposition open to attack.

In 1877 and the following years Stanley Jevons contributed to the Contemporary Review some articles on Mill, which he had intended to supplement by further articles, and eventually publish in a volume as a criticism of Mill's philosophy.

Stanley Jevons's strength lay in his power as an original thinker rather than as a critic; and he will be remembered by his constructive work as logician, economist and statistician.

Stanley Jevons asserted that since these creatures were embedded in two dimensions, they would develop a planar version of Euclidean geometry, but that since the nature of these surfaces were different, they would arrive at very different versions of this geometry.

Stanley Jevons then extended this argument into three dimensions, noting that this raises fundamental questions of the relationship of spatial perception to mathematical truth.

Stanley Jevons agreed that while Helmholtz's argument was compelling in constructing a situation where the Euclidean axioms of geometry would not apply, he believed that they had no effect on the truth of these axioms.

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Stanley Jevons hence makes the distinction between truth and applicability or perception, suggesting that these concepts were independent in the domain of geometry.

Stanley Jevons did not claim that geometry was developed without any consideration for spatial reality.

Stanley Jevons claimed that there was a flaw in Helmholtz's argument relating to the concept of infinitesimally small.

Stanley Jevons claimed that the Euclidean relations could be reduced locally in the different scenarios that Helmholtz created and hence the creatures should have been able to experience the Euclidean properties, just in a different representation.

In 1872, Helmholtz gave a response to Stanley Jevons, who claimed that Helmholtz failed to show why geometric truth should be separate from the reality of spatial perception.

In 1867, Stanley Jevons married Harriet Ann Taylor, whose father, John Edward Taylor, had been the founder and proprietor of the Manchester Guardian.

Stanley Jevons suffered from ill health and sleeplessness, and found the delivery of lectures covering so wide a range of subjects very burdensome.

Stanley Jevons found his professorial duties increasingly irksome, and feeling that the pressure of literary work left him no spare energy, he decided in 1880 to resign the post.

Stanley Jevons was a prolific writer, and at the time of his death was a leader in the UK both as a logician and as an economist.