The last problem of my homework due today:
"Translate the arguments that follow into categorical notation... appraise its validity.
40. Although we acknowledge that certain standards of evidence ought always to be observed in the formation of our beliefs, we do not always observe them. In other words, we are not always rational. For to be rational is simply to employ a self-consistent accredited procedure in the formation of all one's beliefs. (A.J. Ayer, Language, Truth, and Logic)"
My head - ooooh my poor head.