Maybe a mathematical equation will help.Gender discrimination is any unequal treatment based on gender and may also be referred to as sexism. Characteristics of gender discrimination are any situation where a person shows a prejudice towards another that would not occur had they been the opposite sex.
Read more: Gender Discrimination Definition | eHow Gender Discrimination Definition | eHow
In America, a woman and a man under our marriage laws are equal.
M = W , where M is man and W is woman
Marriage = M + W in all US laws now
But since we have established in US law that M = W, then you can substitute M for W or W for M in the marriage equation and not change the truth of the equation.
So now Marriage = M + M is true and Marriage = W + W is true because we know that M is legally equal to W.