Quotes About Logic

you can build an organ which can do anything that can be done, but you cannot build an organ which tells you whether it can be done."9 "This is connected with the theory of types and with the results of Gödel," he continued. "The question of whether something is feasible in a type belongs to a higher logical type.

But in the complicated parts of formal logic it is always one order of magnitude harder to tell what an object can do than to produce the object.

The same principles which at first view lead to scepticism, pursued to a certain point bring men back to common sense.

It is the mark of a truly intelligent person to be moved by statistics.

The American Constitution, one of the few modern political documents drawn up by men who were forced by the sternest circumstances to think out what they really had to face, instead of chopping logic in a university classroom.

If black boxes survive air crashes, why don't they make the whole plane out of that stuff?

Web 2.0 is our code word for the analog increasingly supervening upon the digital—reversing how digital logic was embedded in analog components, sixty years ago. Search engines and social networks are just the beginning—the Precambrian phase.

That zero and one were sufficient for logic as well as arithmetic was established by Gottfried Wilhelm Leibniz in 1679, following the lead given by Thomas Hobbes in his Computation, or Logique of 1656.

The computer focuses ruthlessly on things that can be represented in numbers. In so doing, it seduces people into thinking that other aspects of knowledge are either unreal or unimportant. The computer treats reason as an instrument for achieving things, not for contemplating things. It narrows dramatically what we know and intended by reason.

It is hardest to write on the Holocaust. It had no military purpose. While everything else Hitler did could, with some strain, be fitted with some military logic, the industrialized killing of 6 million Jews and millions of others could not be. A place like Auschwitz did nothing to help with the war effort and used up massive resources, if not for food for the inmates, then for manpower, trains, and the rest. But

actual brains, which turn out be much more like sensory processors than logic machines.

It's funny how you use logic in an argument and think it will persuade me.

It couldn't be real. People summoned monsters from the arcane realm, but I'd never heard of anyone summoning actual demons. Yet it was right there, living, breathing, real, and every instinct I had howled and clawed at my logic.

Logic said that at some point he must've been a baby and then a child, but looking at him one was almost convinced that some deity had touched the ground with its scepter and proclaimed, "There shall be a badass," and Jim had sprung into existence, fully formed, complete with clothes, and ready for action.

Humans tend to segregate the world: enemies on one side, friends on the other. Friends are people we know. Enemies are the Other. You can do just about anything to the Other. It doesn't matter if this Other is actually guilty of any crimes, because it's a matter of emotion, not logic. You see, angry people aren't interested in justice. They just want an excuse to vent their rage.

Nothing is divine but what is agreeable to reason.

Toute intuition sans concept n'aboutit pas Tout concept sans intuition est vide

Philosophical knowledge is knowledge which reason gains from concepts; mathematical knowledge is knowledge which reason gains from the construction of concepts.

by saying that the former was only concerned with quality, the latter only with quantity, mistook cause for effect.

Dogmatism is thus the dogmatic procedure of pure reason without previous criticism of its own powers, and in opposing this procedure, we must not be supposed to lend any countenance to that loquacious shallowness which arrogates to itself the name of popularity, nor

in its practical purpose the footpath of freedom is the only one on which it is possible to make use of reason in our conduct. Hence it is as impossible for the subtlest philosophy as for the commonest reasoning to argue freedom away.

A great part, perhaps the greatest part, of the business of our reason consists in the analysation of the conceptions which we already possess of objects.

things which as effects presuppose others as causes cannot be reciprocally at the same time causes of these.

Nothing happens by blind chance.