Subtraction
- Symbol: -
- The binary operation of finding the difference between two quantities. In arithmetic, subtraction is not commutative, i.e.
, nor associative,
.
- The identity element is 0 only when it is on the right hand side, i.e.
.
See also: Addition, Difference, Division, Minuend, Multiplication, Subtrahend.
Subjects: Algebra