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" ... population, when unchecked, goes on doubling itself every twentyfive years, or increases in a geometrical ratio. "
An Essay on the Principle of Population, as it Affects the Future ... - 10. oldal
szerző: Thomas Robert Malthus - 1809
Teljes nézet - Információ erről a könyvről

Dissertations on Man, Philosophical, Physiological, and Political: In Answer ...

Thomas Jarrold - 1806 - 420 oldal
...truth, we will take .the slowest of these rates of increase ; a rate in which all concurring testimonies agree, and which has been repeatedly ascertained to...pronounced, therefore, that population, when unchecked, goes * Page 4. on; doubling itself every 25 years, or increases in a'geometrical ratio;* (suppose a population...

The Oxford review; or, Literary censor, 1. kötet

734 oldal
...truth, we will take the slowest of these rates of increase ; a rate in which all Concurring testimonies agree, and which has been repeatedly ascertained to...safely be pronounced, therefore, that population^ whet* unchecked, goes on doubling itself every 25 years, or increases in a geometrical ratio ; (suppose...

A Reply to the Essay on Population: By the Rev. T. R. Malthus. In a Series ...

William Hazlitt - 1807 - 386 oldal
...to our author's whole scheme, let ua take his own words. " It may lw lafely affirmed that populatiba ''when unchecked goes on doubling itself every " twenty-five years, or increases in a geometrical •" ratio. ** That we may be the better able to com" pare the increase of population and food, let " us make a...

A Reply to the Essay on Population: By the Rev. T. R. Malthus. In a Series ...

William Hazlitt - 1807 - 386 oldal
...scheme, let us take his own words. " It may be safely affirmed that population «« when unchecked goej on doubling itself every " twenty-five years, or increases in a geometrical " ratio. " That we may be the better able to com" pare the increase of population and food, let " us make a...

An Account of Ireland, Statistical and Political, 2. kötet

Wakefield, Edward - 1812 - 954 oldal
...misery, or the fear of misery, by a large portion of mankind. Mr. Malthus then assumes as a principle, that population, when unchecked, goes on doubling...twenty-five years, or increases in a geometrical ratio. He takes it for granted also, that considering the present average state of the population of the earth,...

Rural Sports

William Barker Daniel - 1813 - 820 oldal
...be sure of being within the Truth, Mr. MALTHUS takes the slowest of these Rates, and then assumes, that Population, when unchecked, goes on doubling itself every Twenty-five Years, or multiplies in a Geometrical Ratio. The Portion of Increase which the Productions of tne Earth afford,...

Systematic Education: Or Elementary Instruction in the Various ..., 2. kötet

William Shepherd, Jeremiah Joyce, Lant Carpenter - 1815 - 598 oldal
...might be doubled in ten years. Mr. Malthus takes the slowest of these rates of increase, and assumes, that population, when unchecked, goes on doubling itself every twenty-five years, or that it increases in a geometrical ratio. The rate according to which the productions of the earth...

An Essay on the Principle of Population: Or, A View of Its Past ..., 1. kötet

Thomas Robert Malthus - 1817 - 524 oldal
...b Polit. Arith. p. 14. all Ch. i. the Increase of Population and Food. 9 all concurring testimonies agree, and which has been repeatedly ascertained to...itself every twenty-five years, or increases in a geometrjcaLxatio. mj^^..if>-*~ -' Theiate according to which the productions of the earth may be supposed...

Blackwood's Magazine, 29. kötet

1831 - 1044 oldal
...the different states of society in which man has existed. It may, he thinks, be safely pronounced, that population, when unchecked, goes on doubling...twenty-five years, or increases in a geometrical ratio; and he thinks that it may be fairly pronounced, that, considering the present average state of the...

The Pamphleteer, 13. kötet

Abraham John Valpy - 1818 - 576 oldal
...doubling possible in so short a time as ten years ;" but Mr. Malthus thinks it may safely be pronounced, that population, when unchecked, goes on doubling...twenty-five years, or increases in a geometrical ratio. There are, however, he states, in constant existence, certain checks, operating with more or less force,...




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