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Group (mathematics) (view source)
Revision as of 12:40, November 17, 2008
, 12:40, November 17, 2008do we all know what a binary operator is?
A '''group''' is a mathematical structure consisting of a [[set]] of elements combined with a binary operator which satisfies four conditions:
A '''group''' is a mathematical structure consisting of a [[set]] of elements combined with a [[binary operator]] which satisfies four conditions:
#'''Closure''': applying the binary operator to any two elements of the group produces a result which itself belongs to the group
#'''Closure''': applying the binary operator to any two elements of the group produces a result which itself belongs to the group