If and is an arbitrary element of the ring , then .
The homomorphism 1l of of E into FT maps every element of S to an invertible element of FT.
The same definition holds in any unital ring or algebra where a is any invertible element.
The irreducible fraction for a given element is unique up to multiplication of denominator and numerator by the same invertible element.
An invertible element of mod m is a natural number n < m such that gcd(n, m) = 1.
Now, an element is invertible if there exists such that
A self-invertible element is an element whose inverse is itself.
A group is a monoid all of whose elements are invertible.
A group is a monoid all of whose elements are invertible.
In a monoid the inverse of a central invertible element is a central element.
A group is a monoid every element of which has an inverse.
If and is an arbitrary element of the ring , then .
A field is a nontrivial ring in which every nonzero element is invertible.
An element which possesses a (left/right) inverse is termed (left/right) invertible.
An element is irreducible if it is neither a unit nor the product of two other non-unit elements.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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