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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 ... - Página 10
por Thomas Robert Malthus - 1809
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Dissertations on Man, Philosophical, Physiological, and Political: In Answer ...

Thomas Jarrold - 1806 - 420 páginas
...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...
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The Oxford review; or, Literary censor, Volumen1

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

William Hazlitt - 1807 - 386 páginas
...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...
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A Reply to the Essay on Population: By the Rev. T. R. Malthus. In a Series ...

William Hazlitt - 1807 - 386 páginas
...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...
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An Account of Ireland, Statistical and Political, Volumen2

Wakefield, Edward - 1812 - 954 páginas
...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,...
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Rural Sports

William Barker Daniel - 1813 - 820 páginas
...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,...
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Systematic Education: Or Elementary Instruction in the Various ..., Volumen2

William Shepherd, Jeremiah Joyce, Lant Carpenter - 1815 - 598 páginas
...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...
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An Essay on the Principle of Population: Or, A View of Its Past ..., Volumen1

Thomas Robert Malthus - 1817 - 524 páginas
...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...
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Blackwood's Magazine, Volumen29

1831 - 1044 páginas
...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...
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The Pamphleteer, Volumen13

Abraham John Valpy - 1818 - 576 páginas
...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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