- published: 16 Feb 2016
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Logic (from the Ancient Greek: λογική, logike) is the branch of philosophy concerned with the use and study of valid reasoning. The study of logic also features prominently in mathematics and computer science.
Logic was studied in several ancient civilizations, including Greece, India, and China. In the West, logic was established as a formal discipline by Aristotle, who gave it a fundamental place in philosophy. The study of logic was part of the classical trivium, which also included grammar and rhetoric. Logic was further extended by Al-Farabi who categorized it into two separate groups (idea and proof). Later, Avicenna revived the study of logic and developed relationship between temporalis and the implication. In the East, logic was developed by Hindus, Buddhists and Jains.
Logic is often divided into three parts: inductive reasoning, abductive reasoning, and deductive reasoning.
The concept of logical form is central to logic. The validity of an argument is determined by its logical form, not by its content. Traditional Aristotelian syllogistic logic and modern symbolic logic are examples of formal logic.
Philosophy is the study of the general and fundamental nature of reality, existence, knowledge, values, reason, mind, and language. The Ancient Greek word φιλοσοφία (philosophia) was probably coined by Pythagoras and literally means "love of wisdom" or "friend of wisdom". Philosophy has been divided into many sub-fields. It has been divided chronologically (e.g., ancient and modern); by topic (the major topics being epistemology, logic, metaphysics, ethics, and aesthetics); and by style (e.g., analytic philosophy).
As a method, philosophy is often distinguished from other ways of addressing such problems by its questioning, critical, generally systematic approach and its reliance on rational argument. As a noun, the term "philosophy" can refer to any body of knowledge. Historically, these bodies of knowledge were commonly divided into natural philosophy, moral philosophy, and metaphysical philosophy. In casual speech, the term can refer to any of "the most basic beliefs, concepts, and attitudes of an individual or group," (e.g., "Dr. Smith's philosophy of parenting").
Crash Course (also known as Driving Academy) is a 1988 made for television teen film directed by Oz Scott.
Crash Course centers on a group of high schoolers in a driver’s education class; many for the second or third time. The recently divorced teacher, super-passive Larry Pearl, is on thin ice with the football fanatic principal, Principal Paulson, who is being pressured by the district superintendent to raise driver’s education completion rates or lose his coveted football program. With this in mind, Principal Paulson and his assistant, with a secret desire for his job, Abner Frasier, hire an outside driver’s education instructor with a very tough reputation, Edna Savage, aka E.W. Savage, who quickly takes control of the class.
The plot focuses mostly on the students and their interactions with their teachers and each other. In the beginning, Rico is the loner with just a few friends, Chadley is the bookish nerd with few friends who longs to be cool and also longs to be a part of Vanessa’s life who is the young, friendly and attractive girl who had to fake her mother’s signature on her driver’s education permission slip. Kichi is the hip-hop Asian kid who often raps what he has to say and constantly flirts with Maria, the rich foreign girl who thinks that the right-of-way on the roadways always goes to (insert awesomely fake foreign Latino accent) “my father’s limo”. Finally you have stereotypical football meathead J.J., who needs to pass his English exam to keep his eligibility and constantly asks out and gets rejected by Alice, the tomboy whose father owns “Santini & Son” Concrete Company. Alice is portrayed as being the “son” her father wanted.
Science of Logic (German: Wissenschaft der Logik, first published between 1812 and 1816) is the work in which Georg Wilhelm Friedrich Hegel outlined his vision of logic, which is an ontology that incorporates the traditional Aristotelian syllogism as a sub-component rather than a basis. For Hegel, the most important achievement of German Idealism, starting with Kant and culminating in his own philosophy, was the demonstration that reality is shaped through and through by mind and, when properly understood, is mind. Thus ultimately the structures of thought and reality, subject and object, are identical. And since for Hegel the underlying structure of all of reality is ultimately rational, logic is not merely about reasoning or argument but rather is also the rational, structural core of all of reality and every dimension of it. Thus Hegel's Science of Logic includes among other things analyses of being, nothingness, becoming, existence, reality, essence, reflection, concept, and method. As developed, it included the fullest description of his dialectic. Hegel considered it one of his major works and therefore kept it up to date through revision. Science of Logic is sometimes referred to as the "Greater Logic" to distinguish it from the "Lesser Logic", the moniker given to the condensed version Hegel presented as the "Logic" section of his Encyclopedia of the Philosophical Sciences.
The Encyclopedia of Philosophy is one of the major English encyclopedias of philosophy.
The first edition of the encyclopedia was in eight volumes, edited by Paul Edwards, and published in 1967 by Macmillan; it was reprinted in four volumes in 1972.
A "Supplement" volume, edited by Donald M. Borchert, was added to the reprinted first edition in 1996, containing articles on developments in philosophy since 1967, covering new subjects and scholarship updates or new articles on those written about in the first edition.
A second edition, also edited by Borchert, was published in ten volumes in 2006 by Thomson Gale. Volumes 1–9 contain alphabetically ordered articles. Volume 10 consists of:
Its ISBNs are 0-02-865780-2 as a hardcover set, and 0-02-866072-2 as an e-book.
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Before we dive into the big questions of philosophy, you need to know how to argue properly. We’ll start with an overview of philosophical reasoning and breakdown of how deductive arguments work (and sometimes don’t work). -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commons by 4.0: https://creativecommons.org/licenses/... -- Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Crash Course Philosophy is sponsored by Squarespace. http://www.squarespace.com/crashcourse -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashC... Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support CrashCourse on Patreon: http://www.patre...
A definition of Logic as a field of philosophy, as well as several types of logic studied in philosophy, including second order logic, non-classical Logic, and modal logic. Sponsors: Prince Otchere, Daniel Helland, Dennis Sexton, Will Roberts and √2. Thanks for your support! Information for this video gathered from The Stanford Encyclopedia of Philosophy, The Internet Encyclopedia of Philosophy, The Cambridge Dictionary of Philosophy, The Oxford Dictionary of Philosophy and more! Information for this video gathered from The Stanford Encyclopedia of Philosophy, The Internet Encyclopedia of Philosophy, The Cambridge Dictionary of Philosophy, The Oxford Dictionary of Philosophy and more!
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Logic, the study of reasoning and argument, first became a serious area of study in the 4th century BC through the work of Aristotle. He created a formal logical system, based on a type of argument called a syllogism, which identified valid and invalid forms of argument and remained in use for over two thousand years. In the nineteenth century the German philosopher and mathematician Gottlob Frege revolutionised logic, turning it into a discipline much like mathematics and capable of dealing with, expressing, and analysing nuanced arguments. His discoveries influenced the greatest mathematicians and philosophers of the twentieth century and considerably aided the development of the electronic computer. Today logic is a subtle system with applications in fields as diverse as mathematics, ph...
The ACTUAL title of this book is "Science of Logic" and the main text starts at 43:22 mark and this book ("Science of Logic") is the first part of Hegel's masterpiece "Encyclopedia of the Philosophical Sciences" The Logic of Hegel ("Science of Logic") [Philosophy Audiobook] by Georg Wilhelm Friedrich Hegel
In this Wireless Philosophy video, Paul Henne (Duke University) discusses the philosophical concept of validity. After reviewing the structure of an argument, he defines validity: an argument is valid if and only if its premises guarantee the conclusion. He reviews a few examples of validity and invalidity, and he leaves you with one example to figure out on your own. Help us caption & translate this video! http://amara.org/v/GcHM/
Science & Reason on Facebook: http://tinyurl.com/ScienceReason Stephen Fry @ BigThink: Philosophy, Logic And Reason. --- Please subscribe to Science & Reason: • http://www.YouTube.com/Best0fScience • http://www.YouTube.com/ScienceMagazine • http://www.YouTube.com/ScienceTV • http://www.YouTube.com/FFreeThinker --- Interview Transcript Question: What philosophers influenced you? Stephen Fry: Philosophy is an odd thing. When we use the word in everyday speech you know you sometimes hear it hilariously. They say, Oh, its never good to be late. Thats my philosophy. You think thats a generous description of that rather dull precept to call it a philosophy, but its odd how philosophers generally speaking, at least the ones Ive read or the ones I you know value, dont have in that sense a ph...
Video lecture corresponding to _Basic Sentential Logic and Informal Fallacies_, Introduction, and Chapter 1, Part 1 of 3. This is for the class Introduction to Logic, Philosophy 10, UC San Diego.
In this video, Professor Thorsby gives a brief summary regarding the histroy and devlopment of philosophical logic.
In this video, Julianne Chung (Yale University) explains the philosophical concepts of truth and validity before going on to illustrate how truth and falsity, as well as validity and invalidity, can appear in various combinations in an argument. She then introduces the concept of a sound argument (i.e., a valid argument whose premises are all true) and presents one reason to think that valid arguments with false premises are also of interest. For more detailed discussions of validity and soundness, please be sure to have a look at the videos on these topics by Paul Henne (Duke University) and Aaron Ancell (Duke University), respectively. Help us caption & translate this video! http://amara.org/v/FmUT/
Professor Luc Bovens provides an introduction to the Department of Philosophy, Logic and Scientific Method.
http://gametheory101.com/courses/logic-101/ Sentential logic (also called propositional logic, sentential calculus, and propositional calculus) is a formal method to derive conclusions from premises. Logic is omnipresent and necessary to succeed in fields like law, mathematics, computer science, social science, and philosophy. In other words, if you live on this Earth and want to succeed in life, you need a solid understanding of introductory logic.
Translating sentences, symbols, operators.
Geoff Pynn (Northern Illinois University) gets you started on the critical thinking journey. He tells you what critical thinking is, what an argument is, and what the difference between a deductive and an ampliative argument is. Help us caption & translate this video! http://amara.org/v/Fhgq/
The Philosophy of Logical Atomism - audiobook Bertrand RUSSELL (1872 - 1970) 'The Philosophy of Logical Atomism' is a series of lectures by Bertrand Russell (1872-1970) that touches on numerous topics, including the nature of propositions, the relations of propositions to facts and of different types of words to the varieties of things, what kinds of facts there are, existence, monism and pluralism, and aspects of philosophical logic and of reference. Guiding the lectures, at least according to Russell's headnote to his lectures, is Russell's intent to fully flesh out ideas he learned from his former pupil, Ludwig Wittgenstein (1889-1951). - Summary by Landon D. C. Elkind Genre(s): Philosophy, Modern Language: English (FULL Audiobook)
A short introduction to logic. Learn how logic deals with well-structured thoughts, whatever the subject matter. Explore the history of logic in the West from the height of Ancient Greece to the present. This video keeps things simple but still manages to highlight some important concepts: - how to define logic - Socrates' questioning - Aristotle's syllogisms & inferences - form versus content - valid arguments don't necessarily have true conclusions - logic gets used in many disciplines There's also an associated text page: http://www.nativlang.com/logic/logic-what_is.php Learn even more: http://www.nativlang.com/logic Check out references & sources for this video at Google Docs: https://docs.google.com/document/d/1bIfXfg0quguWPLiLK60PvIMrA656p7bcNDdYn8q_6b4/edit Music by Kevin MacL...
Today Hank begins to teach you about Philosophy by discussing the historical origins of philosophy in ancient Greece, and its three main divisions: metaphysics, epistemology, and value theory. He will also introduce logic, and how you’re going to use it to understand and critically evaluate a whole host of different worldviews throughout this course. And also, hopefully, the rest of your life. -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commons by 4.0: https://creativecommons.org/licenses/by/4.0/ -- Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios Crash Course Philosophy is sponsored by Squarespace. http://www.squarespace.com/crashcourse -- Want to find Crash Course elsewhere on the internet? Facebook - ht...
Logic, the study of reasoning and argument, first became a serious area of study in the 4th century BC through the work of Aristotle. He created a formal logical system, based on a type of argument called a syllogism, which identified valid and invalid forms of argument and remained in use for over two thousand years. In the nineteenth century the German philosopher and mathematician Gottlob Frege revolutionised logic, turning it into a discipline much like mathematics and capable of dealing with, expressing, and analysing nuanced arguments. His discoveries influenced the greatest mathematicians and philosophers of the twentieth century and considerably aided the development of the electronic computer. Today logic is a subtle system with applications in fields as diverse as mathematics, ph...
The ACTUAL title of this book is "Science of Logic" and the main text starts at 43:22 mark and this book ("Science of Logic") is the first part of Hegel's masterpiece "Encyclopedia of the Philosophical Sciences" The Logic of Hegel ("Science of Logic") [Philosophy Audiobook] by Georg Wilhelm Friedrich Hegel
Video lecture corresponding to _Basic Sentential Logic and Informal Fallacies_, Introduction, and Chapter 1, Part 1 of 3. This is for the class Introduction to Logic, Philosophy 10, UC San Diego.
The Philosophy of Logical Atomism - audiobook Bertrand RUSSELL (1872 - 1970) 'The Philosophy of Logical Atomism' is a series of lectures by Bertrand Russell (1872-1970) that touches on numerous topics, including the nature of propositions, the relations of propositions to facts and of different types of words to the varieties of things, what kinds of facts there are, existence, monism and pluralism, and aspects of philosophical logic and of reference. Guiding the lectures, at least according to Russell's headnote to his lectures, is Russell's intent to fully flesh out ideas he learned from his former pupil, Ludwig Wittgenstein (1889-1951). - Summary by Landon D. C. Elkind Genre(s): Philosophy, Modern Language: English (FULL Audiobook)
Peter Adamson (LMU) gives a talk at MCMP titled "Logic as an Instrument in Greek and Arabic Philosophy". As is well known, the Aristotelian works on logic were collectively referred to in antiquity as the Organon, meaning "instrument". Ancient Aristotelians took this seriously: for them, logic is not a part of philosophy but only a tool or instrument which one should ideally learn before embarking on the study of philosophy proper. This view was not universally adopted in antiquity, however. The Stoics made logic one of three broad areas of philosophy (along with ethics and physics), and thought of these areas as closely interrelated "parts". In this talk Professor Adamson explores the philosophical consequences of this apparently rather superficial disagreement; for instance, how it bears...
In this video, Professor Thorsby gives a brief summary regarding the histroy and devlopment of philosophical logic.
iTunes: https://itunes.apple.com/us/podcast/patterson-in-pursuit-philosophy/id1106619794?mt=2 Stitcher: http://www.stitcher.com/podcast/patterson-in-pursuit-philosophy-politics-religion Patreon: https://www.patreon.com/stevepatterson Show Notes Page: Logic has been called many things - "the rules of language", "the rules of reasoning", "the rules of existence", and so on. I have my own theory about logic, but I spoke with Dr. Timothy Williamson of Oxford University to hear his ideas. We cover a ton of great topics - the nature of logic, language, paradoxes, and the metaphysics of concepts and numbers. Check out more at: http://www.steve-patterson.com If you think this content is worth $1, please check out my Patreon page to support the creation of more videos like this: https://www....
A explanation of the basics of Modal Logic, including the difference between the K, T, B, S4 and S5 systems of modal logic (100 Days of Logic). Information for this video gathered from The Stanford Encyclopedia of Philosophy, The Internet Encyclopedia of Philosophy, The Cambridge Dictionary of Philosophy, The Oxford Dictionary of Philosophy and more! Information for this video gathered from The Stanford Encyclopedia of Philosophy, The Internet Encyclopedia of Philosophy, The Cambridge Dictionary of Philosophy, The Oxford Dictionary of Philosophy and more!
A History of Philosophy | 77 A.J. Ayer — Language, Truth and Logic Connect with Wheaton: http://www.wheaton.edu http://www.facebook.com/wheatoncollege.il http://www.twitter.com/wheatoncollege http://www.instagram.com/wheatoncollegeil
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Bryan Magee and A. J. Ayer discuss the work of Frege and Russell on logic, language, and knowledge. This interview is from 1987.
This first video in a series on logic covers topics such as arguments, statementhood, inferences, premises and conclusions as well as the distinction between arguments and non-arguments.
The 5th video in Dr. Richard Brown's Online Introduction to Philosophy. For all videos see http://onlinephilosophyclass.wordpress.com/philosophy-101/
Dr Mroczek discusses philosophy and logic with Dr Floyd. The introductory discussion seeks to acquaint the viewer with the relevance and inescapability of philosophy and gives guidance on concepts of logic and their importance to sound reasoning - ie, as in how we argue with ourselves and others. Examples from morality and political questions are applied.