Secular morality

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Morality is a complex topic that is made more complex by the introduction of religion. Theists believe that God is the author of morality, and that actions are only good or bad to the extent that God makes them so. A typical atheist rebuttal involves a reference to the Euthyphro dilemma. Morality based on the absolute say-so of a being seems to be no less arbitrary than the relativistic morality that theists decry.

This leaves open the question: how should unbelievers behave? Where does our understanding of morality ultimately come from? How do we know that our standards are correct in a meaningful and universal sense?


Rational standards

Although there is no such thing as unanimous agreement on complex philosophical issues, if we approach the question from a humanistic, scientific stand point, atheists ought to agree that there should be rational standards for arriving at moral conclusions. Like science and mathematics, useful systems of morality derive from some basic axioms, or recognize assumptions.

A few possible axioms in morality are:

  1. Every person has their own feelings and desires, and they are more or less similar since they are based on the same brain chemistry.
  2. When I look inward to my own desires, I fundamentally desire to pursue happiness and avoid pain and suffering.
  3. Other people have these same basic desires, and these desires are valuable to them.
  4. With all else being equal, it is better for people to be happy than not be happy.
  5. Conflicts arise mainly because people's desire to be happy and avoid suffering conflict with each other. The goal of secular morality is to resolve those conflicts in the best possible way for all concerned.

A few natural consequences of these axioms:

  1. All else being equal, it is wrong to needlessly inflict suffering on people.
  2. Except for the case of self-preservation, with all else being equal, it is best to avoid killing other people (on the assumption that they don't want to be killed).
  3. Actions such as slavery and rape are wrong because they excessively limit people's happiness and freedom of action.

Social order

Society is a construct that has arisen out of the need enforce "good" behavior.

Game theory

Game theory is a branch of mathematics that concerns itself with interactions between agents, with gains and losses, loosely called "games". To the extent that these mathematical models match reality, they can provide a mathematical underpinning for "moral" behavior, independent of the decrees of any god.

One interesting result of game theory is that the optimal strategy for a given player depends on whether the "game" is a one-time interaction or part of a longer series.

For example, assume that player A agrees to buy an object, say a book, from player B. Since A and B live in different cities, so A agrees to send a check for $50 to B, and B agrees to send the book to A.

At first glance, it would seem that A's optimal strategy is not to send a check: that way, if B sends him a book, he will have received the book for free; if B doesn't send him the book, he hasn't lost anything. Whereas if he sends B the check and B doesn't send A the book, A has lost $50. By a similar reasoning, B's best strategy is not to send the book, and hope that A sends him a check. If both A and B reason this way, they neither gain nor lose anything.

If, on the other hand, this is a repeating situation -- say, if A regularly shops at B's book store -- then the optimal strategy changes: the players remember the times in the past when they were cheated, and can anticipate that if they cheat this time, the other player will remember it next time. In this case, the optimal strategy is for both to play by the rules each time: A gains a book each time (and loses $50), and B gains $50 each time (and loses a book).

Biological basis for morality

Evolutionary psychology

[These sections are not completed. Authors are encouraged to fill in more details.]

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