The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 66
... elements are used instead of the symbols for actual elements , and the letter n is used instead of a num- ber when the numbers of atoms in the molecule are de- fined in terms of ratios . For example , any one alkali metal combines with ...
... elements are used instead of the symbols for actual elements , and the letter n is used instead of a num- ber when the numbers of atoms in the molecule are de- fined in terms of ratios . For example , any one alkali metal combines with ...
Page 520
... elements and can be conveniently described by diagrams : any graph with sloping lines defines a poset , the elements of which are the nodes of the graph ( the points at which two or more lines meet ) , and in which ab means that one can ...
... elements and can be conveniently described by diagrams : any graph with sloping lines defines a poset , the elements of which are the nodes of the graph ( the points at which two or more lines meet ) , and in which ab means that one can ...
Page 526
... elements of a group G , then all ex- pressions Xix2 ... x , in which every value of x is one of the a , or an inverse a1 form a subgroup H that is said to be generated by a1 , a2 , . , ar , and this is written H = ( a1 , a2 , ment , H ...
... elements of a group G , then all ex- pressions Xix2 ... x , in which every value of x is one of the a , or an inverse a1 form a subgroup H that is said to be generated by a1 , a2 , . , ar , and this is written H = ( a1 , a2 , ment , H ...
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