Reason is a mental faculty Mind is the aspect of intellect and consciousness experienced as combinations of thought, perception, memory, emotion, will and imagination, including all unconscious cognitive processes. The term is often used to refer, by implication, to the thought processes of reason. Mind manifests itself subjectively as a stream of consciousness found in humans, that is able to generate conclusions from assumptions or premises In logic, an argument is a set of one or more declarative sentences known as the premises along with another declarative sentence (or "proposition") known as the conclusion. Aristotle held that any logical argument could be reduced to two premises and a conclusion. Premises are sometimes left unstated in which case they are called. In other words, it is amongst other things the means by which rational In philosophy, rationality is the exercise of reason, a key method used to analyze the data gained through systematically gathered observations beings propose (specific) reasons, or explanations of cause and effect. In contrast to reason as an abstract noun, a reason is a consideration which explains or justifies.[1]

Reason is particularly associated with human nature Human nature is the concept that there is a set of inherent distinguishing characteristics, including ways of thinking, feeling and acting, that humans tend to have, that which is most unique and definitive about being human Humans commonly refers to the species Homo sapiens , the only extant member of the Homo genus of bipedal primates in Hominidae, the great ape family. However, in some cases the term is used to refer to any member of the genus Homo. As a way of coming to conclusions, it is often contrasted not only with the ways in which non-human animals Animals are a major group of mostly multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously and independently. All animals are also appear to make decisions, but also with decisions based upon authority Authority, from the Latin word auctoritas, means invention, advice, opinion, influence, or command. Essentially authority is imposed by superiors upon inferiors either by force of arms or by force of argument (sapiential authority). Usually authority has components of both compulsion and persuasion. For this reason, as used in Roman law, authority, intuition Intuition is the apparent ability to acquire knowledge without inference or the use of reason. “The word ‘intuition’ comes from the Latin word 'intueri', which is often roughly translated as meaning ‘to look inside’ or ‘to contemplate’." Intuition provides us with beliefs that we cannot necessarily justify. For this reason, it, emotion Emotion is the complex psychophysiological experience of an individual's state of mind as interacting with biochemical and environmental influences. In humans, emotion fundamentally involves "physiological arousal, expressive behaviors, and conscious experience". Emotion is associated with mood, temperament, personality and disposition,, mysticism Mysticism is the pursuit of communion with, identity with, or conscious awareness of an ultimate reality, divinity, spiritual truth, or God through direct experience, intuition, instinct or insight. Mysticism usually centers on a practice or practices intended to nurture those experiences or awareness. Mysticism may be dualistic, maintaining a, superstition Superstition is a credulous belief or notion, not based on reason or knowledge. The word is often used pejoratively to refer to folk beliefs deemed irrational, which is appropiate since irrational means "not based on reason". This leads to some superstitions being called "old wives' tales". It is also commonly applied to, and faith Faith is the confident belief or trust in the truth or trustworthiness of a person, idea, or thing. The word faith can refer to a religion itself or to religion in general.[clarification needed]. Reason is thought by rationalists In epistemology and in its modern sense, rationalism is "any view appealing to reason as a source of knowledge or justification" . In more technical terms it is a method or a theory "in which the criterion of the truth is not sensory but intellectual and deductive" (Bourke 263). Different degrees of emphasis on this method or to be more reliable in discovering what is true Truth can have a variety of meanings, from the state of being the case, being in accord with a particular fact or reality, being in accord with the body of real things, events, actuality, or fidelity to an original or to a standard, truth "behind" everything, the ontological truth. In archaic usage it could be fidelity, constancy or or what is best In ethics, value is a property of objects, including physical objects as well as abstract objects , representing their degree of importance. The precise way in which reason differs from emotion Emotion is the complex psychophysiological experience of an individual's state of mind as interacting with biochemical and environmental influences. In humans, emotion fundamentally involves "physiological arousal, expressive behaviors, and conscious experience". Emotion is associated with mood, temperament, personality and disposition,, faith Faith is the confident belief or trust in the truth or trustworthiness of a person, idea, or thing. The word faith can refer to a religion itself or to religion in general.[clarification needed], and tradition Traditions serve to preserve a wide range of culturally significant ideas, specific practices and the various methods used by distinct cultures. The word tradition comes from the Latin traditionem which is the accusative case of traditio which means "handing over, passing on" is controversial, because all three are considered to be both potentially rational, and potentially in conflict with reason.

Contents

Reasons, reasoning, and rationality

Reason involves conscious explanations An explanation is a set of statements constructed to describe a set of facts which clarifies the causes, context, and consequences of those facts.

Logical Reasoning Problem

Reasoning Reasoning is the cognitive process of looking for reasons, beliefs, conclusions, actions or feelings as a process takes proposed explanations for considering, contrasting, or fitting them together in order to determine which beliefs, actions or attitudes are the best. Theoretical reasoning Speculative reason or pure reason is theoretical thought (sometimes called theoretical reason), as opposed to practical (active, willing) thought. The distinction between the two goes at least as far back as the ancient Greek philosophers, such as Plato and Aristotle, who distinguished between theory (theoria, or a wide, bird's eye view of a topic, considers theoretical In philosophy, theory refers to contemplation or speculation, as opposed to action. Theory is especially often contrasted to "practice" (Greek praxis, πρᾶξις) a concept that in its original Aristotelian context referred to actions done for their own sake, but can also refer to "technical" actions instrumental to some explanations in order to determine what to believe or accept as true. Practical reasoning considers what attitudes to have when taking actions.

Assessing how well someone engages in reasoning is the project of determining the extent to which the person is rational In philosophy, rationality is the exercise of reason, a key method used to analyze the data gained through systematically gathered observations or acts rationally. It is a key research question in the psychology of reasoning The psychology of reasoning is the study of how people reason, often broadly defined as the process of drawing conclusions to inform how people solve problems and make decisions. It is at the intersection of psychology, philosophy, linguistics, cognitive science, artificial intelligence, logic, and probability theory. Rationality In philosophy, rationality is the exercise of reason, a key method used to analyze the data gained through systematically gathered observations is often divided into its respective theoretical and practical counterparts In philosophy, rationality is the exercise of reason, a key method used to analyze the data gained through systematically gathered observations.

Etymology

The meaning of the word "reason" in senses such as "human reason" overlaps to a large extent with "rationality In philosophy, rationality is the exercise of reason, a key method used to analyze the data gained through systematically gathered observations" and the adjective of "reason" in philosophical contexts is normally "rational", rather than "reasoned" or "reasonable". The concept A concept is a cognitive unit of meaning—an abstract idea or a mental symbol sometimes defined as a "unit of knowledge," built from other units which act as a concept's characteristics. A concept is typically associated with a corresponding representation in a language or symbology[citation needed] such as a single meaning of a term of "reason" is closely related to the concepts of language Language is a term most commonly used to refer to so-called "natural languages" — the spoken forms of communication ubiquitous among humankind. By extension the term also refers to the type of thought process which creates and uses language. Essential to both meanings is the systematic creation, maintenance and use of systems of and logic Logic is the study of arguments. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, and computer science. Logic examines general forms which arguments may take, which forms are valid, and which are fallacies. It is one kind of critical thinking. In philosophy, the study of logic, as reflected in the multiple meanings of the Greek word logos Logos is an important term in philosophy, analytical psychology, rhetoric and religion. Originally a word meaning "word," "speech," "account," or "reason," it became a technical term in philosophy, beginning with Heraclitus (ca. 535–475 BC), who used the term for the principle of order and knowledge, the root of logic Logic is the study of arguments. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, and computer science. Logic examines general forms which arguments may take, which forms are valid, and which are fallacies. It is one kind of critical thinking. In philosophy, the study of logic, which translated into Latin Latin or sometimes Roman is an Italic language originally spoken in Latium and Ancient Rome. Although often considered a dead language, in view of the fact that it has no native speakers, a small number of scholars can fluently speak it and it continues to be taught in schools and universities and has been, and currently is, used in the process of became ratio and then in French French is a Romance language spoken as a first language by about 136 million people worldwide. Around 190 million people speak French as a second language, and an additional 200 million speak it as an acquired foreign language. French speaking communities are present in 57 countries and territories. Most native speakers of the language live in raison, from which the English word "reason" was derived.

Reason compared to logic, cause-and-effect thinking, and symbolic thinking

Main articles: Logic Logic is the study of arguments. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, and computer science. Logic examines general forms which arguments may take, which forms are valid, and which are fallacies. It is one kind of critical thinking. In philosophy, the study of logic, Cause and effect, and Symbols A symbol is something such as an object, picture, written word, sound, or particular mark that represents something else by association, resemblance, or convention. For example, a red octagon may be a symbol for "STOP". On maps, crossed sabres may indicate a battlefield. Numerals are symbols for numbers . All language consists of symbols

In modern times, there is an increasing tendency to use the terms "logic" and "reason" interchangeably in philosophical discussion, or to see logic as the most pure or the defining form of reason.

Reason and logic can be thought of as distinct, although logic is one important aspect of reason. Reason is a type of thought Thoughts are forms conceived in the mind, rather than the forms perceived through the five senses. Thought and thinking are the processes by which these concepts are perceived and manipulated. Thinking allows beings to model the world and to represent it according to their objectives, plans, ends and desires. Similar concepts and processes include. The word "logic Logic is the study of arguments. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, and computer science. Logic examines general forms which arguments may take, which forms are valid, and which are fallacies. It is one kind of critical thinking. In philosophy, the study of logic" involves the attempt to describe rules by which reason operates, so that orderly reasoning can be taught. The oldest surviving writing to explicitly consider the rules by which reason operates are the works of the Greek Ancient Greece is the civilization belonging to the period of Greek history lasting from the Archaic period of the 8th to 6th centuries BC to 146 BC and the Roman conquest of Greece after the Battle of Corinth. At the center of this time period is Classical Greece, which flourished during the 5th to 4th centuries BC, at first under Athenian philosopher Philosophy is the study of general and fundamental problems concerning matters such as existence, knowledge, values, reason, mind, and language. It is distinguished from other ways of addressing fundamental questions by its critical, generally systematic approach and its reliance on rational argument. The word "philosophy" comes from the Aristotle Aristotle (384 BC – 322 BC) was a Greek philosopher, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, politics, government, ethics, biology, and zoology. Together with Plato and Socrates (Plato's teacher), Aristotle is one of the most, especially Prior Analysis and Posterior Analysis.[2] Although the Ancient Greeks had no separate word for logic as distinct from language and reason, Aristotle's newly coined word A neologism ; from Greek νέος (neos 'new') + λόγος (logos 'speech') is a newly coined word or phrase that may be in the process of entering common use, but has not yet been accepted into mainstream language. Neologisms are often directly attributable to a specific person, publication, period, or event. According to Oxford English "syllogism A syllogism or logical appeal is a kind of logical argument in which one proposition (the conclusion) is inferred from two others (the premises) of a certain form" (syllogismos) identified logic clearly for the first time as a distinct field of study. When Aristotle referred to "the logical" (hē logikē), he was referring more broadly to rational thought.[3]

Author Douglas Hofstadter Douglas Richard Hofstadter is an American academic whose research focuses on consciousness, analogy-making, literary translation, artistic creation, and discovery in mathematics and physics. He is best known for his book Gödel, Escher, Bach: an Eternal Golden Braid, first published in 1979, for which he was awarded the 1980 Pulitzer Prize for, in Gödel, Escher, Bach Gödel, Escher, Bach: An Eternal Golden Braid is a Pulitzer Prize-winning book by Douglas Hofstadter, described by the author as "a metaphorical fugue on minds and machines in the spirit of Lewis Carroll", characterizes the distinction in this way. Logic is done inside a system while reason is done outside the system by such methods as skipping steps, working backward, drawing diagrams, looking at examples, or seeing what happens if you change the rules of the system.[4]

Another way to consider the confusion between logic and reason is that computers and animals sometimes perform actions which are apparently logical: from a complex set of data, conclusions are achieved which are "logical". Being a cause of something which humans find logical does not necessarily mean that computers or animals have reason, or even logic in the strict sense. Some animals are also clearly capable of a type of "associative thinking In psychology and marketing, two concepts or stimuli are associated when the experience of one leads to the effects of another, due to repeated pairing. This is sometimes called Pavlovian association for Ivan Pavlov's pioneering of classical conditioning"—even to the extent of associating causes and effects.[5] A dog once kicked, can learn how to recognize the warning signs and avoid being kicked in the future. Human reason is something much more specific, requiring not just the possibility of associating perceptions of smoke, for example, with memories of fire, but also the ability to create and manipulate a system of symbols A symbol is something such as an object, picture, written word, sound, or particular mark that represents something else by association, resemblance, or convention. For example, a red octagon may be a symbol for "STOP". On maps, crossed sabres may indicate a battlefield. Numerals are symbols for numbers . All language consists of symbols, as well as indices and icons Logician, mathematician, philosopher, and scientist Charles Sanders Peirce began writing on semeiotic, semiotics, or the theory of sign relations in the 1860s, around the time that he devised his system of three categories. He eventually defined semiosis as an "action, or influence, which is, or involves, a cooperation of three subjects, such, according to Charles Sanders Peirce Charles Sanders Peirce (September 10, 1839 – April 19, 1914) was an American philosopher, logician, mathematician, and scientist, born in Cambridge, Massachusetts. Peirce was educated as a chemist and employed as a scientist for 30 years. It is largely his contributions to logic, mathematics, philosophy, and semiotics (and his founding of, the symbols having only a nominal The adjective nominal generally relates to the concept of names, and often to the difference between what something is in name (ideally or theoretically) and what it is in reality. The idea of "nominal" is similar to the idea of "archetypal", in that both involve making reference to the principal instance of an abstraction—, though habitual, connection to either smoke or fire.[6]

Thomas Hobbes described the creation of "Markes, or Notes of remembrance" (Leviathan Ch.4) as "speech" (allowing by his definition that it is not necessarily a means of communication or speech in the normal sense; he was clearly using "speech" as an English version of logos in this description[7]). In the context of a language, these marks or notes are called "Signes" by Hobbes.

Reason, truth, and "first principles"

Main articles: Truth and First principle

Since classical times a question has remained constant in philosophical debate (which is sometimes seen as a conflict between movements called Platonism and Aristotelianism) concerning the role of reason in confirming truth.

Both Aristotle and Plato, like many philosophers throughout history, wrote about this question, which can be explained as follows.

People use logic, deduction, and induction, to reach conclusions they think are true. Conclusions reached in this way are considered more certain than sense perceptions on their own.[nb 1] On the other hand, if such reasoned conclusions are only built originally upon a foundation of sense perceptions, then, the argument being considered goes, our most logical conclusions can never be said to be certain because they are built upon the very same fallible perceptions they seek to better.[nb 2]

This leads to the question of what types of first principles, or starting points of reasoning, are available for someone seeking to come to true conclusions. Empiricism (sometimes associated with Aristotle[nb 3] but more correctly associated with British philosophers such as John Locke and David Hume, as well as their ancient equivalents such as Democritus) asserts that sensory impressions are the only available starting points for reasoning and attempting to attain truth. This approach always leads to the controversial conclusion that absolute knowledge is not attainable. Idealism, (associated with Plato and his school), claims that there is a "higher" reality, from which certain people can directly arrive at truth without needing to rely only upon the senses, and that this higher reality is therefore the primary source of truth. Whereas secular reason begins with observable reality and applies logic to it to derive conclusions, theological reason begins with a predetermined conclusion or unquestionable sacred text and verifies it by using logic to reinterpret or to reject observable reality.

In Greek, "first principles" are archē, "starting points",[nb 4] and the faculty used to perceive them is sometimes referred to in Aristotle[nb 5] and Plato[nb 6] as nous which was close in meaning to "awareness" or "consciousness".[nb 7]

Philosophers such as Plato, Aristotle, Al-Farabi, Avicenna, Averroes, Maimonides, Aquinas and Hegel are sometimes said to have argued that reason must be fixed and discoverable—perhaps by dialectic, analysis, or study. In the vision of these thinkers, reason is divine or at least has divine attributes. Such an approach allowed religious philosophers such as Thomas Aquinas and Étienne Gilson to try to show that reason and revelation are compatible. According to Hegel, "...the only thought which Philosophy bring with it to the contemplation of History, is the simple conception of reason; that reason is the Sovereign of the World; that the history of the world, therefore, presents us with a rational process."[8]

Since the 17th century rationalists, reason has often been taken to be a subjective faculty, or rather the unaided ability (pure reason) to form concepts. For Descartes, Spinoza and Leibniz, this was associated with mathematics. Kant attempted to show that pure reason could form concepts (time and space) that are the conditions of experience. Kant made his argument in opposition to Hume, who denied that reason had any role to play in experience.

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