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-
and is called the set of natural numbers.
-
and is called the set of
integers.
means that
.
means that
.
-
means that a=b+mq for some
.
means that there is an integer
such that
.
-
means that
has the following properties:
-
.
is the least such positive integer.
Note that
exists if and only if (iff)
.
means that
has the following properties:
is called the greatest common divisor(GCD) of
and
.
means that
has the following properties:
is called the least common multiple(LCM) of
and
.
Gregory Stoll
2000-04-08