Definition of equality

From the latin aequalĭtas, equality is correspondence and the proportion occurring to many parts comprising a very uniform. The term to designate the conformity of something compared to anything else in shape, quantity, quality or nature. In the case of mathematics, equality is an equivalence of two expressions or quantities. These factors, so that they are equal, must have the same value. For example: A + B = C + D is feasible if A = 2, B = 3, C = 4, D = 1, among other cases. For example, 2 + 3 equals 4 + 1. The two expressions have the same value by outcome (5).
Social equality means the context or the situation where persons have the same rights and the same opportunities in a given aspect or generally. The gender equality means the layout standard of existing opportunities so that they can be distributed just among men and women.
The racial equality (or equality of rights) is another way to equality: according to this concept, all persons have the same rights with the aim of combating discrimination. In South Africa during apartheid racial equality was not met and the black population was explored by whites.
Equality before the law is a principle according to which all citizens have the ability to the same rights. It is clear that in the absence of equality of the races, there is not place to equality before the law. This concept also implies that Justice does not prejudge.