Quotes About Logic

Sometimes I feel silly introducing methods "just" to satisfy an "aesthetic" urge like symmetry. Aesthetics go deeper than that. Aesthetics engage more of your brain than strictly linear logical thought. Once you have cultivated your sense of the aesthetics of code, the aesthetic impressions you receive of your code is valuable feedback about the quality of the code.

If I have the same logic in two places, I work with the design to understand how I can have only one copy. Designs without duplication tend to be easy to change.

Rather than apply minutes of suspect reasoning, we can just ask the computer by making the change and running the tests.

There's a mighty big difference between good, sound reasons and reasons that sound good.

Take two from one you can't, that's very true; But any person can take one from two.

An explanation of cause is not a justification by reason.

Reason is the natural order of truth but imagination is the organ of meaning.

Na hranicích logiky sice kon?í vÄ›da, ne vÅ¡ak pÃ…â"¢íroda, která vzkvétá i tam, kam jeÅ¡tÄ› žádná teorie nepronikla.

Whoever confuses these last two functions with feeling in this narrower sense, can obviously not acknowledge the rationality of feeling. But if they are separated from feeling, it becomes quite clear that feeling values and feeling judgements—that is to say, our feelings—are not only reasonable, but are also as discriminating, logical and consistent as thinking.

From the psychological point of view, primitive man's belief that the arbitrary power of chance answers to the intentions of spirits and of sorcerers is perfectly natural, because it is an unavoidable inference from the facts as he sees them. And let us not delude ourselves in this connection. If we explain our scientific views to an intelligent native he will credit us with a ludicrous superstitiousness and a disgraceful want of logic.

One can explain and know only if one has reduced intuitions to an exact knowledge of facts and their logical connections.

As a matter of fact, primitive man is no more logical or illogical than we are. His presuppositions are not the same as ours, that is what distinguishes him from us.

By the very act of arguing, you awake the patient's reason; and once it is awake, who can foresee the result

Nie rozumiesz, bo nie wiesz jak wielka jest niszcz?ca moc w?adzy. Nadal wierzysz, ?e mo?na wszystko rozwi?za? dzi?ki logice, ?e ludzie pos?uchaj? g?osu rozs?dku, bo przecie? w gruncie rzeczy w obliczu Boga wszyscy jeste?my równi.

Here's a case where someone successfully followed their passion," they say, "therefore 'follow your passion' must be good advice." This is faulty logic. Observing a few instances of a strategy working does not make it universally effective.

All it takes is an ideology seductive enough to convince you to discard common sense.

simplified Hegelian dialectical reasoning, with its thesis-antithesis-synthesis framework)

Just because I'm pointing out the flaws in your logic is no reason to start accusing me of things. There is no shame in being afraid.

Who can dispute that all scientific work should be studied carefully and critically considered? And having an open mind is also an asset, but not so open that your brains fall out.

Los pretextos los convertimos en "explicaciones lógicas"; los miedos preferimos llamarlos "precauciones acertadas" y las pobres expectativas han pasado a ser "una manera más realista de ver la vida".

For this reason Archimedes considered that this method merely indicated, but did not prove, that the result is correct.

Definitions of number, as given by several later mathematicians, make the limit of an infinite sequence identical with the sequence itself. Under this view, the question as to whether the variable reaches its limit is without logical meaning. Thus the infinite sequence .9, .99, .999,... is the number one, and the question, "Does it ever reach one?" is an attempt to give a metaphysical argument which shall satisfy intuition.

Carnot, one of a school of mathematicians who emphasized the relationship of mathematics to scientific practice, appears, in spite of the title of his work, to have been more concerned about the facility of application of the rules of procedure than about the logical reasoning involved.

The mathematical theory of continuity is based, not on intuition, but on the logically developed theories of number and sets of points.