Quotes About Logic

The question of common sense is always what is it good for? — a question which would abolish the rose and be answered triumphantly by the cabbage.

An appeal to the reason of the people has never been known to fail in the long run.

Should the moral logic that informs the condemnation of same-sex erotic activity in the "seven passages" apply categorically to all committed same-sex relationships today? The evidence suggests that there are no forms of moral logic underpinning these passages that clearly and unequivocally forbid all contemporary forms of committed same-sex intimate relationships.

Presidents and Kings are not apt to see flaws in their own arguments," he wrote, "but fortunately for the Union, it had a President, at this critical juncture, who combined a logical intellect with an unselfish heart.

Life had shown him that logic and step-by-step planning hardly controlled events.

She got in, as she had persuaded Jerott Blyth to bring her half across France, by force of logic, a kind of flat-chested innocence and the doggedness of a flower-pecker attacking a strangling fig.

He will not, I think, find it logical to live with what he has done today. I have told him that you are his responsibility. While he believes that, he will continue to protect you. I tell you this, so that you will understand what is happening. He will measure his life by your helplessness.

Because, I think, of something you said. One should be able to face anything. I have learned to play chess again. I have learned to listen to music, and to play it. I have learned to buy self-indulgence and enjoy it. I have learned to take a line of logic and follow it through, whatever the consequences.

But that's men all over ... Poor dears, they can't help it. They haven't got logical minds.

My dear child, you can give it a long name if you like, but I'm an old-fashioned woman and I call it mother-wit, and it's so rare for a man to have it that if he does you write a book about him and call him Sherlock Holmes.

the key-exercise will be Formal Logic. It is here that our curriculum shows its first sharp divergence from modern standards. The disrepute into which Formal Logic has fallen is entirely unjustified; and its neglect is the root cause of nearly all those disquieting symptoms which we have noted in the modern intellectual constitution. Logic has been discredited, partly because we have fallen into a habit of supposing that we are conditioned almost entirely by the intuitive and the unconscious.

the practical utility of Formal Logic to-day lies not so much in the establishment of positive conclusions as in the prompt detection and exposure of invalid inference.

This was a syllogistic monstrosity even worse than the last, thought Wimsey. A man who could reason like that could not reason at all. He constructed a new syllogism for himself. The man who committed this murder was not a fool. Weldon is a fool. Therefore Weldon did not commit this murder. That appeared to be sound, so far as it went.

But that's men all over. They want the thing done and then, of course, they don't like the consequences. Poor dears, they can't help it. They haven't got logical minds.

The whole of the Trivium was, in fact, intended to teach the pupil the proper use of the tools of learning.

I could not attempt to 'kindle the younger generation with the Gospel,' the most I could do would be to suggest to them that the Christian Faith is a logical explanation of the Universe well worth their attention, and neither an irrational myth nor a system of ethics which will stand by itself when the dogmatic foundation has been removed from beneath it.

as Aristotle might say, it is an improbable-possible.

But once you've got the How, the Why drives it home.

Mr Weldon grappled for some moments with this surprising piece of logic, but failed to detect either the petitio eleuchi, the undistributed middle or the inaccurate major premiss which is contrived to combine.

All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others.

Anything that thinks logically can be fooled by something else that thinks at least as logically as it does.

Oh dear,' says God, 'I hadn't thought of that,' and promptly vanishes in a puff of logic.

The complexities of cause and effect defy analysis.

A computer chatted to itself in alarm as it noticed an airlock open and close itself for no apparent reason. This was because Reason was in fact out to lunch.