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New posts in binary-operations
Example of a set not closed under multiplication
binary-operations
How is addition different than multiplication?
abstract-algebra
soft-question
binary-operations
How can I visualise groups in Group Theory
group-theory
abelian-groups
binary-operations
Why Two's Complement works
binary
binary-operations
Puzzle: binary number shrinkage on operation
probability
expected-value
puzzle
binary-operations
Does symbol "$+$" denote an operation in the notation of a complex number: "$a+ib$"? In case it does, which operation does "$+$" denote?
complex-numbers
soft-question
definition
binary-operations
Is multiplication of real numbers uniquely defined as being distributive over addition?
foundations
binary-operations
Prove XOR is commutative and associative?
propositional-calculus
boolean-algebra
binary-operations
Can a binary operation have an identity element when it is not associative and commutative?
abstract-algebra
binary-operations
Real life examples of commutative but non-associative operations
abstract-algebra
soft-question
examples-counterexamples
binary-operations
associativity
Non-associative commutative binary operation [duplicate]
abstract-algebra
examples-counterexamples
binary-operations
associativity
Define a binary operation on {e,(12)}×{e,(123),(132)} so that it becomes isomorphic to $S_3$ [closed]
abstract-algebra
group-theory
group-isomorphism
binary-operations
direct-product
Does associativity imply commutativity?
abstract-algebra
elementary-number-theory
binary-operations
associativity
Does commutativity imply Associativity?
abstract-algebra
examples-counterexamples
binary-operations
associativity
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