Abstract
d|n
means that there is an integer k
such as n = dk
d
is a Factor of n
d|n
doesn’t involve the actual division. It is a Mathematical Statement that is either True
or False
, not a numerical value
- Used frequently under the topic of Relation
Theorems
Theorem 4.3.1
- A positive divisor of a positive integer
- For all positive integers
a
and b
, if a|b
, then a<=b
Theorem 4.3.2
- Divisors of 1
- The only divisors of
1
are 1
and -1
Theorem 4.4.3
- Transitivity of Divisibility
- For all integers a, b, c. If
a|b
and b|c
, then a|c