three new irrational precepts
(1) Belief that the mind cannot be identified with the brain. Holding to some kind of dualism is irrational.
(2) Reformed Epistemology is irrational.
(3) Claiming that Logic can prove the ontological statis of anything.
EDIT: I have another:
(4) Claiming that Godels Incompletness Theorems can be applied outside of logic and mathematics is irrational (this one really fucking pisses me off).
"In the high school halls, in the shopping malls, conform or be cast out" ~ Rush, from Subdivisions