Logic Quotes - page 41
Reason is feminine in nature; it can only give after it has received. Of itself it has nothing but the empty forms of its operation. There is no absolutely pure rational knowledge except the four principles to which I have attributed metalogical truth; the principles of identity, contradiction, excluded middle, and sufficient reason of knowledge. For even the rest of logic is not absolutely pure rational knowledge. It presupposes the relations and the combinations of the spheres of concepts. But concepts in general only exist after experience of ideas of perception, and as their whole nature consists in their relation to these, it is clear that they presuppose them.
Arthur Schopenhauer
The rejection process is incorporated in the concept of the negative. The negative is a judgement device. It is the means whereby one rejects certain arrangements of information. The negative is used to carry out judgement and to indicate rejection. The concept of the negative is crystallized into a definite language tool. This language tool consists of the words no and not. Once one learns the function and use of these words one has learned how to use logical thinking. The whole concept of logical thinking is concentrated in the use of this language tool. Logic could be said to be the management of NO.
Edward de Bono
What happened was, 2,400 years ago, the Greek Gang of Three, by whom I mean Aristotle, Plato and Socrates, started to think based on analysis, judgment and knowledge. At the same time, church people, who ran the schools and universities, wanted logic to prove the heretics wrong. As a result, design and perceptual thinking was never developed. People assumed philosophers were doing it and so they blocked anyone else from doing it. But philosophers were not. Philosophers may look out at the world from a stained-glass window, but after a while they stop looking at the world and start looking at the stained glass.
Edward de Bono
Philosophy is based on speculation, on logic, on thought, on the synthesis of what we know and on the analysis of what we do not know. Philosophy must include within its confines the whole content of science, religion and art. But where can such a philosophy be found? All that we know in our times by the name of philosophy is not philosophy, but merely "critical literature" or the expression of personal opinions, mainly with the aim of overthrowing and destroying other personal opinions. Or, which is still worse, philosophy is nothing but self-satisfied dialectic surrounding itself with an impenetrable barrier of terminology unintelligible to the uninitiated and solving for itself all the problems of the universe without any possibility of proving these explanations or making them intelligible to ordinary mortals.
P. D. Ouspensky
As long as a society's best minds were occupied by theological questions, it was possible to speak of a given religion as the way of thinking of the whole social organism. All the matters which most actively concerned the people were referred to it and discussed in its terms. But that belongs to a dying era. We have come by easy stages to a lack of a common system of thought that could unite the peasant cutting his hay, the student poring over formal logic, and the mechanic working in an automobile factory. Out of this lack arises the painful sense of detachment or abstraction that oppresses the "creators of culture."
Czesław Miłosz
Some definite interpretation of a linear algebra would, at first sight, appear indispensable to its successful application. But on the contrary, it is a singular fact, and one quite consonant with the principles of sound logic, that its first and general use is mostly to be expected from its want of significance. The interpretation is a trammel to the use. Symbols are essential to comprehensive argument.
Benjamin Peirce
Great virtues may draw attention from defects, they cannot sanctify them. A pebble surrounded by diamonds remains a common stone, and a diamond surrounded by pebbles is still a gem. No one should attempt to refute an argument by pronouncing the name of some man, unless he is willing to adopt all the ideas and beliefs of that man. It is better to give reasons and facts than names. An argument should not depend for its force upon the name of its author. Facts need no pedigree, logic has no heraldry, and the living should not awed by the mistakes of the dead.
Robert G. Ingersoll
I am the logic of all arguments - Arguments are of three kinds: 1) jalpa (arrogant argument) – In this type of argument one tries to establish one's point of view by contradicting the opponent's argument without considering whether the opponent's argument is right or wrong. 2) vitanda (destructive criticism) – In this type of argument the person simply destroys the opponent's viewpoint by misleading argument. 3) vada (logical argument) – In this type of argument one uses a method of discussion with reasoning with an aim to find out what is truth and what is untruth. Reasoning is the best method of discussion to achieve the truth. This is why the Lord says, "Among arguments, I am vada or logical argument.”.
Baba Hari Dass
The Way of the Samurai is found in death. When it comes to either/or, there is only the quick choice of death. It is not particularly difficult. Be determined and advance. To say that dying without reaching one's aim is to die a dog's death is the frivolous way of sophisticates. When pressed with the choice of life or death, it is not necessary to gain one's aim.
We all want to live. And in large part we make our logic according to what we like. But not having attained our aim and continuing to live is cowardice. This is a thin dangerous line. To die without gaining one's aim is a dog's death and fanaticism. But there is no shame in this. This is the substance of the Way of the Samurai. If by setting one's heart right every morning and evening, one is able to live as though his body were already dead, he gains freedom in the Way. His whole life will be without blame, and he will succeed in his calling.
Yamamoto Tsunetomo
A day after that, President Poroshenko declared martial law, and three days later the US declared that they need to increase their military presence in the Black Sea.... an incident was inflated into a scandal... used to shore up the absolutely groundless hopes of the incumbent president of Ukraine... in line with the US plans to build up its military presence near our shores. If you follow the logic of "who stands to gain?” you can draw your own conclusions.
Sergey Lavrov
The urge to escape our real self is also an urge to escape the rational and the obvious. The refusal to see ourselves as we are develops a distaste for facts and cold logic. There is no hope for the frustrated in the actual and the possible. Salvation can come to them only from the miraculous, which seeps through a crack in the iron wall of inexorable reality. They ask to be deceived. What Stresemann said of the Germans is true of the frustrated in general: "[They] pray not only for [their] daily bread, but also for [their] daily illusion." The rule seems to be that those who find difficulty in deceiving themselves are easily deceived by others. They are easily persuaded and led.
Eric Hoffer
The absolute idea is the subject in its final form, thought. The otherness and negation is the object, being. The absolute idea now has to be interpreted as objective being. Hegel's Logic thus ends where it began, with the category of being. This, however is a different being that can no longer be explained thought he concepts applied in the analysis that opened the Logic. For being now is understood in its notion that is, as a concrete totality wherein all particular forms subsist as the essential distinctions and relations of on comprehensive principle. Thus comprehended, being is nature, and dialectical thought passes on to the Philosophy of Nature. P. 165-166.
Herbert Marcuse
[Popper's skepticism about scientific truth in The Logic of Scientific Discovery is] that kind of reaction, of which the epitome is given in Aesop's fable of the fox and the grapes. The parallel would be complete if the fox, having become convinced that neither he nor anyone else could ever succeed in tasting grapes, should nevertheless write many long books on the progress of viticulture.
David Stove
Therapeutic re-education ... teaches the patient-student how to live with the contradictions that combine to make him into a unique personality; this is does in contrast to the older moral pedagogies, which tried to re-order the contradictions into a hierarchy of superior and inferior, good and evil. ... What hope there is derives from Freud's assumption that human nature is not so much a hierarchy of high-low, and good-bad, as his predecessors believed, but rather a jostling democracy of contending predispositions, deposited in every nature in roughly equal intensities. ... Psychoanalysis if full of such mad logic; it is convincing only if the student of his own life accepts Freud's egalitarian revision of the traditional idea of a hierarchical human nature.
William D. Tammeus
Have you ever argued with a toddler? Because if you have, you probably lost that argument, or you killed the toddler. Either way, you didn't win the argument, because you can't win an argument against a toddler. Toddlers will say the most outlandish shit. [...] Over the course of this election season, we've come to realize that president-elect Donald Trump might have the mind of a toddler. And if you think about it, it makes sense. He loves the same things that toddlers do. They like building things. They love attention, always grabbing things they're not supposed to. [...] You don't argue with a child if you want to win. Don't amplify the toddler's voice, because you'll just get trapped in the toddler's world. Rather, just keep asking the toddler to elaborate. Because logic is the downfall of every toddler. The point is to gently demoralize the toddler and smother his tantrums. And, as a bonus, stop him from delegitimizing the press.
Trevor Noah
Harold Laswell ... explained a couple of years after this in the early 1930s that we should not succumb to what he called democratic dogmatisms about men being the best judges of their own interests.... In what's nowadays called a totalitarian state, military state or something, it's easy. You just hold a bludgeon over their heads, but as societies become more free and democratic you lose that capacity and therefore you have to turn to the techniques of propaganda. The logic is clear-propaganda is to a democracy what the bludgeon is to a totalitarian state....
Noam Chomsky
Logic may indeed be unshakeable, but it cannot withstand a man who is determined to live. Where was the judge he had never seen? Where was the High Court he had never reached? He raised his hands and spread out all his fingers. But the hands of one of the men closed round his throat, just as the other drove the knife deep into his heart and turned it twice.
Franz Kafka
Thus was the Nixon Administration first exposed to the maddening diplomatic style of the North Vietnamese. It would have been impossible to find two societies less intended by fate to understand each other than the Vietnamese and the American. On the one side, Vietnamese history and Communist ideology combined to produce almost morbid suspicion and ferocious self-righteousness. This was compounded by a legacy of Cartesian logic from French colonialism that produced an infuriatingly doctrinaire technique of advocacy.
René Descartes
As an indispensable constituent of AI, fuzzy logic is a superset of conventional (Boolean) logic that has been extended to handle the concept of partial truth, where the truth value can range between completely true and completely false. As the creator of a new field of mathematics-fuzzy set theory and fuzzy logic-Lotfi Zadeh's intellectual contributions are myriad. He is also known for his research in system theory, information processing, AI, expert systems, natural language understanding, and the theory of evidence. His current research is focused on fuzzy logic, computing with words, and soft computing, which is a coalition of fuzzy logic, neurocomputing, evolutionary computing, probabilistic computing, and parts of machine learning.
Lotfi A. Zadeh
