This is dullness of hearing.. The word goes in the ears, and comes to the heart, and meets dullness and slowness and hardness. The opposite of dullness of hearing is hearing with faith which produces obedience.
The feasible regions of linear programming are defined by a set of inequalities. In mathematics, an inequality is a relation that holds between two values when they are different (see also: equality). 1  The notation a â  b means that a is not equal to b.
In contrast to strict inequalities, there are two types of inequality relations that are not strict: The notation a â¤ b means that a is less than or equal to b (or, equivalently, not greater than b, or at most b); not greater than can also be represented by the symbol for greater than bisected by a vertical line, not.