what a roman catholic is not

By Diogenes ( articles ) | Mar 25, 2007

A retired professor of philosophy speaks to the question of conscience.

But of course we do need to discriminate between mistaken and valid teachings of the magisterium.

Well, no.

If the magisterium is mistaken about teaching A, it has ceased, per omnia saecula saeculorum, to be a magisterium -- even if it is correct about teachings B, C, D, E ...
You may decide you agree with it, you can never let yourself be taught by it.