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Computerized Math, Formal Proofs and Alternative Logic

Using computer systems for doing mathematical proofs - "With the proliferation of computer-assisted proofs that are all but impossible to check by hand, Hales thinks computers must become the judge." [more inside]
posted by kliuless on Mar 16, 2013 - 25 comments

 

Making Math Fun

Is your elementary school youngster struggling with math? Are they a visual person? Would math games and videos help them learn? Enter Math Playground, to assist with problem solving and real world math. Try the enticing logic game Sugar, Sugar or beef up your math word problem skills. There are plenty of games to help educate while entertaining.
posted by netbros on Sep 4, 2012 - 14 comments

bons mots, poems, math, knitting and logic

Entertaining, collected bon mots and surprisingly interesting, collected poems by various authors. From a likable math brainiac's site, Dr T.E. Forster, a Cambridge University lecturer. He also knits and writes about Buddhist logic [pdf]. Bonus, there's a fun gif.
posted by nickyskye on Aug 16, 2012 - 4 comments

FFFMMMMMMVVVVVV

FFF: MMMMMM is a flash game that takes the game mechanics of the indie hit VVVVVV and transforms them from a fast-twitch platform game to a puzzle platformer. [more inside]
posted by lemuring on Apr 20, 2012 - 7 comments

All the cool kids know their logical fallacies!

Your Logical Fallacy Is... complete with free downloadable infographic poster.
posted by Miko on Apr 19, 2012 - 41 comments

The problem with slippery slope arguments is that once you start using them you quickly move on to other fallacies

An illustrated guide to common logical fallacies as well as well as a very nice worked example of the fallacies involved in Cardinal Keith O'Brien's recent(ish) article against gay marriage.
posted by DRMacIver on Mar 30, 2012 - 123 comments

Critical thinking for kids

A series of short animations explaining critical thinking. Created for children and pretty good for adults too.
posted by latkes on Mar 11, 2012 - 27 comments

Caution: Intense geekery inside

Pipe Logic "Suppose the null-byte is an electron. Then, /dev/zero provides an infinite supply of electrons and /dev/null has an infinite appetite for them..." Modeling transistors and logic gates using Unix pipes.
posted by bitmage on Jan 23, 2012 - 22 comments

Evil influence? Only for your productivity.

Masyu, also known as Pearls, is an NP-complete logic puzzle created by the makers of Sudoku. Brandon McPhail provides a few free puzzles to get your feet wet on his web site (Java applet). Once you've mastered those, UCLICK Games offers a free daily puzzle (Flash) with the past month of archives available too. [more inside]
posted by The Winsome Parker Lewis on Jan 18, 2012 - 28 comments

Thinking Machine

Professor Augustus S. F. X. Van Dusen, Ph.D., LL.D., F.R.S., M.D., M.D.S.* is a fictional character in a series of detective short stories and two novels by Jacques Futrelle. Van Dusen was also known as "The Thinking Machine" for his application of logic to any and all situations. Most of Futrelle's stories are online. Futrelle himself went down with the Titanic.
posted by twoleftfeet on Sep 15, 2011 - 20 comments

G.H. Hardy reviews Principia Mathematica

"Perhaps twenty or thirty people in England may be expected to read this book." G.H. Hardy's review of Whitehead and Russell's Principia Mathematica, published in the Times Literary Supplement 100 years ago last week. "The time has passed when a philosopher can afford to be ignorant of mathematics, and a little perseverance will be well rewarded. It will be something to learn how many of the spectres that have haunted philosophers modern mathematics has finally laid to rest."
posted by escabeche on Sep 12, 2011 - 29 comments

"Mr. Cortex, We Love You!"

In the early 1960s, actor/comedian/writer/composer/TV-star Steve Allen recorded How to Think, an educational album about the brain and the mind. [more inside]
posted by overeducated_alligator on Sep 6, 2011 - 12 comments

Kill Math

Bret Victor on WorryDream The power to understand and predict the quantities of the world should not be restricted to those with a freakish knack for manipulating abstract symbols. When most people speak of Math, what they have in mind is more its mechanism than its essence. This "Math" consists of assigning meaning to a set of symbols, blindly shuffling around these symbols according to arcane rules, and then interpreting a meaning from the shuffled result. The process is not unlike casting lots.
posted by naight on Jul 24, 2011 - 19 comments

Logic. Do you speak it?

Impasse is a simple flash-based puzzle game that involves getting your object from point A to B.
Notes:
  • Levels you complete can be scrolled through using "x" to move to the next level and "d" to return the level select button to the first level.
  • The browser saves your progress, so you can close your tab/browser and return to it later.

  • posted by lemuring on Jul 11, 2011 - 19 comments

    What is the title of this post?

    92 years young, the delightful Raymond Smullyan is a mathematician, logician, magician, concert pianist, and Taoist philosopher - who also pioneered retrograde chess problems.
    posted by Trurl on Jun 26, 2011 - 22 comments

    Big Kids Will Love Them Too

    "Cubelets is a robot construction kit; by combining sensor, logic and actuator blocks, young kids can create simple reconfigurable robots that exhibit surprisingly complex behavior." Watch the Cubelets Engineering Prototypes demo (1.01) on Vimeo. [more inside]
    posted by bwg on Jun 24, 2011 - 14 comments

    I shall call it... NAWNCO.

    A logic puzzle called NAWNCO.
    posted by lemuring on Apr 11, 2011 - 63 comments

    Picma Squared

    Picma Squared (flash, game) "You got your Picross in my Minesweeper!" "You got your Minesweeper in my Picross!" [more inside]
    posted by Ufez Jones on Apr 10, 2011 - 8 comments

    My name is Modus Tollens, and I help you spot cheaters.

    Subjects don't need formal logic training. They don't need math or philosophy. Fewer than 10 percent of the participants got it right when Peter Cathcart Wason performed his 1966 study, the Wason Selection Task. But according to an essay by Bruce Schneier referencing the work of evolutionary psychologists Leda Cosmides and John Tooby, that number improves, by 65 to 80 percent "...when the rule has to do with cheating and privilege."
    posted by fartknocker on Apr 10, 2011 - 35 comments

    All glasses see Sun, therefore all glasses are sunglasses

    Logical fallacies: 1, 2, 4, 7, 9, 16.
    posted by twoleftfeet on Feb 17, 2011 - 51 comments

    DOES. NOT. COMPUTE!

    The next time your computer won't do what you want, just give it a stern talking-to.
    posted by Horace Rumpole on Dec 22, 2010 - 26 comments

    Logical literacy is essential to mathematical fluency.

    Logical literacy is an awareness and understanding of the metalanguage in which propositions, conjectures, lemmas and theorems are written.
    posted by jjray on Oct 12, 2010 - 44 comments

    Each of us a cell of awareness, imperfect and incomplete

    Rhetorical analysis of Rush's "Free Will"
    posted by jtron on Aug 31, 2010 - 86 comments

    Online statistics textbook

    Interested in teaching yourself some statistics? Here is an excellent online and interactive statistics textbook developed at UC Berkeley, and also used at CUNY, UCSC, SJSU, and Bard. Here is the syllabus for the course at Berkeley. And here are some insightful reflections from the professor on developing Berkeley's first fully approved online course.
    posted by AceRock on Aug 9, 2010 - 18 comments

    Logic Puzzles

    Since 1980, Nikoli^ has been in the business of creating many different variations of logic puzzles (such as the very popular Sudoku and Kakuro). Unfortunately, as they're stationed in Tokyo, their magazine is unavailable to most Americans.

    Luckily, over the decades they've inspired quite a few people to make their own puzzles and variants, including:
    posted by flatluigi on Feb 17, 2010 - 12 comments

    All Gnytte Long

    The Sexaholics of Truthteller Planet - yes, it's one of those rotten logic problems, one of many that can be found at Tanya Khovanova’s Math Guide to the MIT Mystery Hunt.
    posted by Wolfdog on Jan 13, 2010 - 21 comments

    These logic puzzles are like, full of color, man.

    End of the decade flash fun: Picma Picture Enigmas.
    posted by Terminal Verbosity on Dec 31, 2009 - 4 comments

    Need ammo?

    How to Talk to a Climate Sceptic: "...a handy one-stop shop for all the material you should need to rebut the more common anti-global warming science arguments constantly echoed across the internet."
    posted by Neilopolis on Dec 5, 2009 - 142 comments

    bop the alligator

    DroidQuest, Gate and Logicly are modern logic puzzle games based on the classic educational games Rocky's Boots (1982) and Robot Odyssey (1984). [more inside]
    posted by speicus on Nov 2, 2009 - 22 comments

    Games, Actions and Social Software

    Games, Actions and Social Software. As seen through the lens of mathematics and logic. Presented as a discussion between characters. [more inside]
    posted by jouke on Sep 27, 2009 - 3 comments

    If a train leaves Chicago at noon carrying 20 passengers, 5 of whom smoke, in 4 cars, what is the name of the conductor's dog?

    A nearly impossible logic puzzle. Other mindtwisting puzzles. More puzzles of varying difficulty (don't scroll down too far!). XKCD's take. (previously epic post Also: 1, 2)
    posted by desjardins on Jul 30, 2009 - 47 comments

    I am a strange loop.

    Douglas Hofstadter's Gödel, Escher, Bach: An Eternal Golden Braid has been recorded as a series of video lectures for MIT's Open Courseware project.
    posted by loquacious on May 30, 2009 - 74 comments

    Youtube logician explains why God must exist

    Apparently there's at least a 51% chance of God's existence. It starts out 50/50, like with pets. You have, say, either a dog or a cat. It's a 50/50 chance that it's one or the other, just like it's 50/50 that there's a God or not. Well, we exist. You exist. The earth exists. That nudges it up to 51%. If I understand this youtube gentleman. Hilarious exercise in smug delivery of ironclad logic.
    posted by stupidsexyFlanders on Apr 2, 2009 - 126 comments

    Revolutionary Semiconductor

    Friday Flash Fun*: Конструктор: Engineer of the People, in which you are an engineer working in a top-secret semiconductor facility called H3, designing top-secret integrated circuits based on specifications provided to you. *For certain values of 'fun'
    posted by daniel_charms on Mar 27, 2009 - 36 comments

    A decent list from Cracked? Wow.

    Five ways 'common sense' lies to you - a description of some everyday logical fallacies and how they effect us in a larger scale.
    posted by flatluigi on Mar 18, 2009 - 70 comments

    In the Two Rooms with black curtains near the station...

    Metafilter's Back Monday Flash Fun: Two Rooms is a logic game where you trigger switches to move barriers out of your way. [more inside]
    posted by schyler523 on Jan 26, 2009 - 9 comments

    (Un)blinding them with science!

    In a breathless, passionate, yet level-headed 15 part series, YouTube user, paleontologist, ex-Christian, and potential Space Coyote impersonator AronRa presents an uncommonly well-written and presented argument against what he identifies as the 14 "Fundamental Falsehoods of Creationism." [more inside]
    posted by Mr. Anthropomorphism on Jan 13, 2009 - 57 comments

    David Foster Wallace on Fatalism

    Consider the Philosopher. The early metaphysical investigations of David Foster Wallace.
    posted by homunculus on Dec 14, 2008 - 83 comments

    The Mathemagician and Pied Puzzler, and others

    The Mathemagician and Pied Puzzler (PDF, rough table of contents here) is a collection of puzzles created by members of the Gathering 4 Gardner Foundation, in tribute to the man himself (previously). Also freely available at the G4G site is Puzzle Craft (PDF), by Stewart Coffin. (The Puzzling World of Polyhedral Dissections, also by Coffin, is available here.)
    posted by cog_nate on Oct 1, 2008 - 9 comments

    stop crying kindle fanboy

    Some are calling it the "Kindle Killer". (Demo launch video at engadget.) Plastic Logic's new e-reader, expected to be out in the first half of 2009, does promise to offer a lot that Kindle and most other other popular e-readers don't, like a larger display, big enough to provide a newspaper or magazine layout; touch-based markup and annotation; the ability to read standard documents and other file types without conversion; (promised) Wi-Fi connectivity (including the ability to transfer documents between readers); and last but not least, a screen display that you can hit with a shoe, and isn't that something we've all been waiting for during these tense times? [more inside]
    posted by taz on Sep 13, 2008 - 85 comments

    Domino logic

    Neil Fraser builds logic gates out of dominoes. (See also this half-adder.) Via Mathpuzzle.
    posted by Upton O'Good on Sep 1, 2008 - 18 comments

    The Fallacy of Examples

    The Fallacy of Examples, and the problems of extrapolating from media. [Via RConversation]
    posted by homunculus on Jul 7, 2008 - 5 comments

    Divine instruments for self learning

    Mnemonic Arts of Blessed Raymond LULL
    posted by generalist on Apr 7, 2008 - 19 comments

    Duck-dragons, dancing raccoons, and robots

    Inspired by this earlier post, I thought it was time to formally introduce people to Rocky's Boots. [more inside]
    posted by wanderingmind on Mar 28, 2008 - 12 comments

    Blinking lights!

    This is a cool game you can download. Here are some rule books for it. [more inside]
    posted by orthogonality on Mar 28, 2008 - 22 comments

    The island where eye color can kill you.

    A mindbending logic puzzle. A thousand people on the island, 900 brown-eyed and 100 blue-eyed; anyone who learns their own eye color must kill themself the next day; a visitor mentions that there is a blue-eyed person on the island; what happens? Nothing, you say, because they already know that? Wrong. Further details at the Terry Tao post linked above, but don't scroll down below the boxed description unless you want hints and/or spoilers. [more inside]
    posted by languagehat on Feb 15, 2008 - 390 comments

    Parmenides

    Parmenides. "The pre-Socratic philosopher sparked an intellectual revolution that still echoes today. Yet for philosophy and science to continue to progress in the 21st century, we may need to embark on an entirely new cognitive journey ."
    posted by homunculus on Dec 27, 2007 - 21 comments

    Logic puzzles

    A virtually unlimited supply of randomly-generated logic puzzles, in a variety of sizes and difficulties: Nonograms. Slither Link. Nurikabe. Bridges. Light Up.
    posted by Upton O'Good on Nov 28, 2007 - 18 comments

    Let's Do Lunch

    Let’s Do Lunch. (Previously and previously.)
    posted by Soup on Nov 22, 2007 - 26 comments

    Correct letters in wrong positions

    Use everyone's logic and vocabulary skills to figure out what the secret word is.
    posted by Blazecock Pileon on Jul 20, 2007 - 27 comments

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