### difference:

Inequality
* Inequalities are also evident between older minorities and non-Hispanic whites
  - in measures of morbidity and disability
  - serious if they affect primary goods, which are necessary for living a good life
  - consist of two or more algebraic expressions joined by inequality symbols
  - increase with the number of players
* affecting group size also depends on rules of access.
* affects children's behavior in ways that are independent of their household income.
* also exists in education
  - has a profound effect on mortality
  - matters greatly in countries with falling average growth rates
  - produces other costs in health care
* can be a barrier to economic growth
  - still be a problem between men and women
  - threaten social cohesion
* differs significantly across countries.
* does act differentially on rich and poor people.
* entails a fundamental imbalance in any relationship, and especially between nations.
* has social, as well as economic, dimensions.
* helps to explain contrasts within as well as among nations.
* increases exposure to pollutants, unsafe physical surroundings and infection.
* is acceptable as long as it conforms to societal notions of justice
  - affected by many factors
  - due more to differences within generations than between generations
  - high both in historic terms and in comparison to other industrial countries
  - obvious in education, health, employment, and legal issues among others
  - on the rise, and it carries economic costs
  - related to demographic features
  - relieved within national borders through a redistribution of the goods of the rich
  - simply unequal life chances
  - situations
* is the cause of all local movements
  - enemy of community
  - inevitable consequence of liberty
  - nature of a university
* reduces supply and demand.
+ Equality (mathematics): Mathematics :: Geometry
  * Equivalence in a more general sense is provided by the construction of an equivalence relation between two sets, that is, the two sets have exactly the same elements. The sets do not need to be finite to be equal. A statement that two expressions denote equal quantities is an equation. Equations are equal. Inequalities are unequal.

Inesocial inequality
* Social inequalities contribute to variable health outcomes
  - inequality continuous process because of mutual ignorance
* Social inequality is in turn a powerful risk factor for health inequality
  - one of the few causes of crime that can be quantified
  - the inevitable outcome of the natural inequality of man
  - leads to perceptions of anomie
  - universal feature in social structure

Large difference
* exist in survival, according to the stage of disease.
* exist in the reported prevalence of asthma among different countries
  - semen producing ability of bulls of the same age, weight and breed
  - worldwide use of oral contraceptives

### difference:

Physical difference
* Any physical differences are because of how the atoms are joined together.
* play only a very small role in bullying situations.
+ Allotropes of carbon: Carbon
  * Allotropes are different forms of the same chemical element. All elements are made up uniquely of their own atoms. Any physical differences are because of how the atoms are joined together. Many elements show allotropy because there are a number of ways in which the atoms can be linked together. Also there are different ways in how the molecules can be arranged to make larger structures.

Racial difference
* are also evident on California's minority-majority status
  - innate
  - natural developments
  - often open wounds
  - the product of environment
* become more pronounced over time.
* disappear when neighborhood context is considered.
* form some of the most daunting barriers in the world.
* remain sharp in the labor market.

Religious difference
* are often a cause of marital problems.
* exist within the same race and across racial lines.