The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
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Page 452
COMMUTATIVE LAW , a mathematical law which states that when two objects are combined by any of certain operations ... A binary operation in the set S is a rule , or operation , which assigns some element of S to every pair of elements ...
COMMUTATIVE LAW , a mathematical law which states that when two objects are combined by any of certain operations ... A binary operation in the set S is a rule , or operation , which assigns some element of S to every pair of elements ...
Page 492
The first of this series of computers was installed in Decem- ber 1943 , and by the end of World War II about 10 were in operation and several others were on order . The COLOSSI were special - purpose vacuum- tube machines containing a ...
The first of this series of computers was installed in Decem- ber 1943 , and by the end of World War II about 10 were in operation and several others were on order . The COLOSSI were special - purpose vacuum- tube machines containing a ...
Page 760
Many of the industrial operations involved in the formation of copper into usable shapes involve extensive plastic ... This is quite important , since the final forming operation of many products does not require heating the copper ...
Many of the industrial operations involved in the formation of copper into usable shapes involve extensive plastic ... This is quite important , since the final forming operation of many products does not require heating the copper ...
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