Quotes About Logic

they will serve you well." He bent his gaze sternly on them. "First, let no one rule your mind or body. Take special care that your thoughts remain unfettered. One may be a free man and yet be bound tighter than a slave. Give men your ear, but not your heart. Show respect for those in power, but don't follow them blindly. Judge with logic and reason, but comment not.

At the level of the microcode, physical and abstract meet. The

Of course, no man is entirely in his right mind at any time.

Beware of faking: people will believe you. People believe those who sell lotions that make lost hair grow back. They sense instinctively that the salesman is putting together truths that don't go together, that he's not being logical, that he's not speaking in good faith. But they've been told that God is mysterious, unfathomable, so to them incoherence is the closest thing to God. The farfetched is the closest thing to miracle.

And when someone suggests you believe in a proposition, you must first examine it to see whether it is acceptable, because our reason was created by God, and whatever pleases our reason can but please divine reason, of which, for that matter, we know only what we infer from the processes of our own reason by analogy and often by negation.

In other words, to see if through these cultural phenomena a new Middle Ages is to take shape, a time of secular mystics, more inclined to monastic withdrawal than to civic participation. We should see how much, as antidote or as antistrophe, the old techniques of reason may apply, the arts of the Trivium, logic, dialectic, rhetoric. As we suspect that anyone who goes on stubbornly practicing them will be accused of impiety.

I was upset. I had always believed logic was a universal weapon and now I realized how its validity depended on the way it was employed.

It is the logic of research and discovery that is tortuous, because it is the logic of science. Whereas the logic of knowledge needs no discovery, because it knows already.

If there is something paradoxical, in the sense of curious or bizarre, it is that the word paradox has two fairly different meanings: one which is used in logic and philosophy, and the other in rhetoric.

No está mal. Ya estamos en el umbral en el que sospechamos que algo no funciona, pero es necesario un esfuerzo para demostrar qué es lo que no cuadra y por qué. El estúpido es muy insidioso. Al imbécil se le reconoce enseguida (y al cretino ni qué decir), mientras que el estúpido razona casi como uno, sólo que con una desviación infinitesimal.

Así pues, para definir el ser, hay que decir es, y usar de ese modo el término definido en la definición».

formal semantics has sought to expand a logic of truth conditions so as to recognize the legitimacy of metaphorical expressions - expressions that speak about the world by lying.

Nihil sequitur geminis ex particularibus unquam.

I deduce nothing: according to the rules of syllogism nihil sequitur geminis ex particularibus unquam, no law can be drawn from two single facts.

Mant???n evrensel bir silah olduÄŸuna inanm??t?m her zaman; ÅŸimdiyse mant???n geçerliÄŸinin onun nas?l kullan?ld???na baÄŸl? olduÄŸunun bilincine var?yordum.

Begin new paragraphs often. Do so when logically necessary, and when the pace of the text requires it, but the more you do it, the better. Write everything that comes into your head, but only in the first draft.

Counterfactual conditionals are always true, because the premise is false.

I had always believed logic was a universal weapon, and now I realized how its validity depended on the way it was employed. Further, since I had been with my master I had become aware, and was to become even more aware in the days that followed, that logic could be especially useful when you entered it but then left it.

I was upset. I had always believed logic was a universal weapon, and now I realized how its validity depended on the way it was employed. Further, since I had been with my master I had become aware, and was to become even more aware in the days that followed, that logic could be especially useful when you entered it but then left it.

Todo se explica utilizando menor número de causas.

The choice was whether to be sad and foolish or sad and reasonable.

Common sense is in spite of, not the result of, education.

Loving is almost a substitute for thinking. Love is a burning forgetfulness of all other things. How shall we ask passion to be logical?

At the side of Enjolras, who represented the logic of revolution, was Combeferre, representing its philosophy. The difference between logic and philosophy is that one can decide upon war, whereas the other can only be fulfilled by peace.