Quotes About Logic

whose true object is to shed the clearest light on every step which reason takes.

Es gibt nichts Praktischeres als eine gute Theorie.

I]f I know that it is only by this process that the intended operation can be performed, then to say that if I fully will the operation, I also will the action required for it, is an analytical proposition...

One can today easily demonstrate that there can be no valid derivation of a law of nature from any finite number of facts; but we still keep reading about scientific theories being proved from facts. Why this stubborn resistance to elementary logic?

He had been conceived while his father was home on leave in 1915. He was born out of the war and (he had always known it) war would be his fate. There was nothing morbid in this idea; he shared it with many boys his age; it was simply logical and reasonable. But, he said to himself, the worst is over now, and that changes everything. Once again there is a future. The war is over—terrible, shameful, but over. And Ã¢â'¬Â¦ there is hope

Society invents a spurious convoluted logic tae absorb and change people whae's behaviour is outside its mainstream. Suppose that ah ken aw the pros and cons, know that ah'm gaunnae huv a short life, am ah sound mind, ectetera, ectetera, but still want tae use smack? They won't let ye dae it. They won't let ye dae it, because it's seen as a sign ay thir ain failure. The fact that ye jist simply choose tae reject whut they huv tae offer.

There's nae reasoning wi some cats. You say 'reason', they mew 'treason'. Ken?

La sociedad inventa una lógica falsa y retorcida para absorber y canalizar el comportamiento de la gente cuyo comportamiento está fuera de los cánones mayoritarios.

Postulates are based on assumption and adhered to by faith. Nothing in the Universe can shake them.

If a conclusion is not poetically balanced, it cannot be scientifically true.

Baley's lips twitched. He had guessed that in some ways robotic logic must fall short and he was convinced of it now. As the roboticist had said: Logical but not reasonable.

But people who are capable of thinking clearly are in a minority, of course.

Logical but not reasonable. Wasn't that the definition of a robot?

For it is the chief characteristic of the religion of science that it works

Baley distrusted overstatement and had no liking for the armchair deducer who discovered certainty rather than probability in the workings of logic.

Now tell me what happened—in words. I want your translation of the mathematics.

I am a creature of dreams as well as of reason.

Para un profesor, lo lógico es que el escondrijo elegido sea una Universidad

The Scientist - with capital letters and no smile.

how much is 2+2? Suppose Joseph says: 2+2 = purple, while Maxwell says: 2+2 = 17. Both are wrong but isn't it fair to say that Joseph is wronger than Maxwell? Suppose you said: 2+2=an integer. You'd be right, wouldn't you? Or suppose you said: 2+2=an even integer. You'd be rather righter. Or suppose you said:2+2=3.999. Wouldn't you be nearly right?

I think what we need to do here is to make use of Thargola's Sword. You know what that is, Beenay?" "Of course, sir. The principle of parsimony. First put forth by the medieval philosopher Thargola 14, who said, 'We must drive a sword through any hypothesis that is not strictly necessary

Sure you are. You're weak on logic, that's the trouble with you. You're like the guy in the story who was caught in a sudden shower and who ran to a grove of trees and got under one. He wasn't worried, you see, because he figured when one tree got wet through, he would just get under another one. (Lupov)

It is unscientific to suppose meaningless cases.

Un encadenamiento de razonamientosválidos sólo puede llevar a la determinación de la verdad.