1. General
1.1 Fractions
In this section, (A , + , · ) denotes an integral commutative ring with multiplicative neutral 1.
SCROLL TO TOP1.1.1 Construction of the body of fractions
On the set = A x (A – {0}), we define two laws, + and ·, by the conditions : (p, q ) + (p 1 , q 1...
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General
Calculations in K (X )
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