Belief Bias

Concept/Term:

Belief bias is the tendency for one's preexisting beliefs to distort logical reasoning, sometimes by making invalid conclusions seem valid, or valid conclusions seem invalid. In summary, belief bias is the tendency for a person's beliefs to distort their logic.

Example:

I will accept that some good swimmers are not professional water polo players, but will reject an assertion that some professional water polo players are not good swimmers, which is possible.