The reason is so simple, it is often ignored: IT FEELS GOOD! Well, until it doesnât â more on that later. Regardless of the Type of addiction (Substance, Process, Systemic or Codependency), certain chemicals get stimulated and released in the brain. These chemicals are what make us feel good and feed the addiction.
Haskell Curry defined mathematics simply as the science of formal systems. A formal system is a set of symbols, or tokens, and some rules telling how the tokens may be combined into formulas. In formal systems, the word axiom has a special meaning, different from the ordinary meaning of a self-evident truth.
Physical Science redirects here. It is not to be confused with Physics. Physical science is a branch of natural science that studies non-living systems, in contrast to life science. It in turn has many branches, each referred to as a physical science, together called the physical sciences.