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In algebra, the zero-product property states that the product of two nonzero elements is nonzero. In other words, =, = = This property is also known as the rule of zero product, the null factor law, the multiplication property of zero, the nonexistence of nontrivial zero divisors, or one of the two zero-factor properties. [1]
This is an accepted version of this page This is the latest accepted revision, reviewed on 20 February 2025. Quality of zero being an even number The weighing pans of this balance scale contain zero objects, divided into two equal groups. Listen to this article (31 minutes) This audio file was created from a revision of this article dated 27 August 2013 (2013-08-27), and does not reflect ...
The first property is often considered to encode some infinitesimal information, whereas the second one is more geometric. An example: the ring k[x, y]/(xy), where k is a field, is not a domain, since the images of x and y in this ring are zero divisors.
An element that is a left or a right zero divisor is simply called a zero divisor. [2] An element a that is both a left and a right zero divisor is called a two-sided zero divisor (the nonzero x such that ax = 0 may be different from the nonzero y such that ya = 0). If the ring is commutative, then the left and right zero divisors are the same.
The number of elements of the empty set (i.e., its cardinality) is zero. The empty set is the only set with either of these properties. For any set A: The empty set is a subset of A; The union of A with the empty set is A; The intersection of A with the empty set is the empty set; The Cartesian product of A and the empty set is the empty set ...
For example, to calculate the dynamics of a billiard ball being struck, one can approximate the force of the impact by a Dirac delta. In doing so, one not only simplifies the equations, but one also is able to calculate the motion of the ball, by only considering the total impulse of the collision, without a detailed model of all of the elastic ...
Tender Poached Whole Chicken. Poaching a whole chicken is a simple, budget-friendly way to make a hearty meal. This method is a perfect example of zero waste recipes, as it lets you use every part ...
The zero rig, which is the zero ring, consisting only of a single element 0 = 1 is a terminal object. In Field , the category of fields , there are no initial or terminal objects. However, in the subcategory of fields of fixed characteristic, the prime field is an initial object.