Quotes About Logic

Science is a differential equation. Religion is a boundary condition.

Mathematical reasoning may be regarded...

To say that a belief is rational is to talk about how it stands in relation to other beliefs

There is no practical rationality then without the virtues of character. The vicious argue unsoundly from false premises about the good, while the akratic ignores the sound arguments available to him. Only the virtuous are able to argue soundly to those conclusions which are their actions […]

Imagine an eye unruled by man-made laws of perspective, an eye unprejudiced by compositional logic, an eye which does not respond to the name of everything but which must know each object encountered in life through an adventure of perception.

If you assume away most or all of the questions or difficulties, you can persuade yourself of just about anything.

Rhetoric may be defined as the faculty of observing in any given case the available means of persuasion. This is not a function of any other art.

The way a story makes an argument is quite different from the way a persuasive essay does it. Emotional truth and the logic of metaphors dominate.

Formal logic is mathematics, and there are philosophers like Wittgenstein that are very mathematical, but what they're really doing is mathematics - it's not talking about things that have affected computer science; it's mathematical logic.

To me, Turing is as much of a philosopher as he is a mathematician because his ideas deal with what it means to think.

The only good reason to embrace a philosophical position is that you are convinced it is true or at least makes sense of the world better than the alternatives.

A philosopher once said, 'Half of good philosophy is good grammar.'

It is a great advantage for a system of philosophy to be substantially true.

Philosophy likes to keen common sense on the run.

You know, I've taught philosophy for years and one argues in the hypothetical all the time.

I don't think there's an interesting boundary between philosophy and science. Science is totally beholden to philosophy. There are philosophical assumptions in science and there's no way to get around that.

The way in which mathematicians and physicists and historians talk is quite different, and what a physicist means by physical intuition and what a mathematician means by beauty or elegance are things worth thinking about.

We live in a Newtonian world of Einsteinian physics ruled by Frankenstein logic.

Everything is physics and math.

You can't argue with physics, mate.

The first rule of world-building is available physics, which basically means that if you want it to feel real, it has to follow the same rules as this world, from gravity to how human behaviour works. If you have a fantasy element that doesn't obey the laws of physics, make sure that it has a fantasy explanation.

It's logical for us to sing, but not necessarily operatic pieces.

We have too many intellectuals who are afraid to use the pistol of common sense.

This battle for 'common-sense' gun control laws pits emotion and passion against logic and reason. All too often in such a contest, logic loses. So, expect more meaningless, if not harmful, 'gun control' legislation. Good news - if you're a crook.