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A form of logical calculus with two binary operations ''AND'' (multiplication, •) and ''OR'' (addition, +) and one unary operation ''NOT'' (negation, ~

The result of the [[multiplication]] of two terms: e.g., the 21 in 3*7=21.

The study of the origin and descent of species, as well as their change, multiplication, and diversity over time.

...operation]]s which generalises the relationship between [[addition]] and [[multiplication]] in [[elementary algebra]] known as "multiplying out". For these elementa * In a [[ring (mathematics)|ring]], the multiplication distributes over the addition.

where the addition and multiplication are those of ''R''. For this sum to make sense it must be finite. If ''M' ...on as the operation. The corresponding convolution is [[polynomial ring]] multiplication.

..., as subtraction is the inverse of addition and division is the inverse of multiplication.

== Multiplication table == The [[multiplication table]] of the group is

...ust bitwise XOR and addition modulo 2¹⁶. The third is basically multiplication, modulo 2¹⁶+1, but modified so that the "x*0 yields zero for all == IDEA multiplication ==

In mathematics, scalar product is a type of vector multiplication. More precisely it may refer to

...activity, symbolized by δ or ρ, or in terms of effective neutron multiplication factor, symbolized by K_eff. They are related quantities. I'll ...formulate the suggestion about the content. As for the reactivity and the multiplication factor, I think, each of these terms should be carefully defined, specified

...cept of [[zero]] with respect to [[addition]] or [[one]] with respect to [[multiplication]]. * An [[identity matrix]] is the identity element for [[matrix multiplication]]; a [[zero matrix]] is the identity element for [[matrix addition]].

...tion]] and [[multiplication]] the phrases "pointwise addition", "pointwise multiplication" are often used to denote their pointwise extension.

...the set of complex numbers are all ''fields'' under the usual addition and multiplication operations. *When we exclude the number 0, they form an [[abelian group]] under multiplication as well.

{{r|Multiplication}}

...nd such fields. The basic arithmetic operations are addition, subtraction, multiplication, division, raising to integral powers, and extraction of integral roots. Th # There is a commutative binary operation, called ''multiplication'' (denoted by ×) and the field ℝ is closed under this operation. Fo

...tivating example of a semigroup is the set of positive [[integer]]s with [[multiplication]] as the operation. * The positive integers under multiplication form a commutative semigroup.

Or, equivalently, by use of the [[associative law]] valid for matrix multiplication, ==Multiplication==

{{r|Multiplication}}

...defined by repeated addition". There are serious objections to "defining" multiplication in this way from the "more basic" operation addition, first among them bein ...ned by repeated addition" if that had been what was written. The wording "Multiplication is defined in terms of repeated addition" (not mine incidentally) actually

...metic when the modulus is two. They can be described through addition and multiplication tables: [[Image:Mod2mult.jpg|multiplication table modulo two]] [[Image:Mod2add.jpg|addition table modulo two]]