His use of deductive logic provides a more philosophical base for the existence of God.

Piaget believed that deductive logic becomes important during the formal operational stage.

Without witnesses, a pathologist is forced to rely solely on observation and deductive logic.

I don't deny that it was anything but a stupid idea from the standpoint of deductive logic alone.

A vigorous attack, especially on Popper's restricting himself to deductive logic.

That means that deductive logic is used in the evaluation of a theory.

That's a fair sample of the deductive logic on display in Ian Smith's first novel.

I have no proof, but on the basis of deductive logic I can make a strong inference.

Trained in the French school of severe deductive logic, he preferred to rely on unassisted reason.

For the most part this discussion of logic deals only with deductive logic.