They formed his system of logic and the most of his creed.

He arrives at his truths by a regular and consecutive system of logic.

The speech is no mean system of logic and of the rules of evidence in itself.

As it does that it instills the new morality, the system of logic to which the group adheres.

Hence a system of logic, of philosophy, of expressed belief, of doctrine, inevitably grows up in a thinking community, a thinking Church.

Then, again, new points of view are provided by the invention of new methods in that system of logic which we call mathematics.

But he knew that most people followed, not classical or symbolic logic, but that unanalyzable and invalid system of logic deriving from their emotions.

The common way of speech and thought which the old system of logic has simply systematized, is too glib and too presumptuous of certainty.

They inhabited different spheres of air, subscribed to different systems of logic.

It was through the study of John Stuart Mill's " System of Logic."

In England this idea was still a novelty when Mill's System of Logic appeared in 1843.

I have been given to understand that systems of logic and methodology must be devised and perfected before science advances.

His first great work was "A System of Logic," the result of many years' previous study, which appeared in 1843.

"That system of logic may be imbued into a machine without too much difficulty," said Daniel.