 | Thomas Jarrold - 1806 - 420 pàgines
...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... | |
 | 734 pàgines
...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... | |
 | William Hazlitt - 1807 - 386 pàgines
...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... | |
 | William Hazlitt - 1807 - 386 pàgines
...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... | |
 | Wakefield, Edward - 1812 - 954 pàgines
...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,... | |
 | William Barker Daniel - 1813 - 820 pàgines
...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,... | |
 | William Shepherd, Jeremiah Joyce, Lant Carpenter - 1815 - 598 pàgines
...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... | |
 | Thomas Robert Malthus - 1817 - 524 pàgines
...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... | |
 | 1831 - 1044 pàgines
...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... | |
 | Abraham John Valpy - 1818 - 576 pàgines
...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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... population, when unchecked, goes on doubling itself every twentyfive years, or increases in a geometrical ratio. 
