The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
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Page 291
... exists an exists an element 0 of R such that 0 + x = x + 0 = x for every x in R ( zero element ) . A4 . For every x in R , there exists an element ( denoted by -x ) such that x + ( −x ) = ( - x ) + x = 0 ( opposite ) . In other words ...
... exists an exists an element 0 of R such that 0 + x = x + 0 = x for every x in R ( zero element ) . A4 . For every x in R , there exists an element ( denoted by -x ) such that x + ( −x ) = ( - x ) + x = 0 ( opposite ) . In other words ...
Page 295
... exists a subset P of R such that every nonzero element x of R can be uniquely written as : x = up , " ( 1 )・・ n ( q ) Pa with p1 ,, P , distinct elements of P , u invertible and positive integral exponents n ( 1 ) ,・・・, n ( g ) ...
... exists a subset P of R such that every nonzero element x of R can be uniquely written as : x = up , " ( 1 )・・ n ( q ) Pa with p1 ,, P , distinct elements of P , u invertible and positive integral exponents n ( 1 ) ,・・・, n ( g ) ...
Page 449
... exists ) . The rectangle with base I , and height f ( ) ( see Figure 5 , in which n = 4 and 1 = x ;-) then lies below the graph of f ( x ) . It is reasonable to assume , therefore , that the area in question should be a number exceeding ...
... exists ) . The rectangle with base I , and height f ( ) ( see Figure 5 , in which n = 4 and 1 = x ;-) then lies below the graph of f ( x ) . It is reasonable to assume , therefore , that the area in question should be a number exceeding ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Côte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe