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    <title>The Markable Mark - an approach to Spencer Brown's Laws of Form</title>
    <dc:date>2018-11-04T13:11:25+00:00</dc:date>
    <link>http://www.markability.net/</link>
    <dc:creator>dhartunian</dc:creator><dc:subject>math logic abstract-math education</dc:subject>
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    <title>QED</title>
    <dc:date>2018-11-03T21:06:44+00:00</dc:date>
    <link>https://teorth.github.io/QED/</link>
    <dc:creator>dhartunian</dc:creator><dc:subject>logic online-learning edtech abstract-math</dc:subject>
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    <title>Formal Reasoning About Programs</title>
    <dc:date>2017-08-03T03:48:00+00:00</dc:date>
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    <title>Classic Papers in Programming Languages and Logic</title>
    <dc:date>2014-10-05T05:48:18+00:00</dc:date>
    <link>http://www.cs.cmu.edu/~crary/819-f09/</link>
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    <title>Propositions as Types - Philip Wadler</title>
    <dc:date>2014-06-28T14:49:38+00:00</dc:date>
    <link>http://homepages.inf.ed.ac.uk/wadler/papers/propositions-as-types/propositions-as-types.pdf</link>
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    <title>Tractatus Logico-Philosophicus by Ludwig Wittgenstein</title>
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    <title>Oregon Programming Languages Summer School</title>
    <dc:date>2012-09-04T15:41:16+00:00</dc:date>
    <link>http://www.cs.uoregon.edu/Activities/summerschool/summer12/curriculum.html</link>
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    <title>Welcome ! | The Coq Proof Assistant</title>
    <dc:date>2012-07-24T20:00:57+00:00</dc:date>
    <link>http://coq.inria.fr/</link>
    <dc:creator>dhartunian</dc:creator><dc:subject>coq logic math proof-assistant automated-proof</dc:subject>
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<item rdf:about="http://math.ucr.edu/home/baez/rosetta.pdf">
    <title>Physics, Topology, Logic and Computation: A Rosetta Stone</title>
    <dc:date>2012-07-23T22:45:14+00:00</dc:date>
    <link>http://math.ucr.edu/home/baez/rosetta.pdf</link>
    <dc:creator>dhartunian</dc:creator><description><![CDATA[Insanely cool sounding paper that connects all the mentioned disciplines in the title. Life goal: understand a portion of this.

Abstract: In physics, Feynman diagrams are used to reason about quantum processes. In the 1980s, it became clear that underlying these diagrams is a powerful analogy between quantum physics and topology. Namely, a lin- ear operator behaves very much like a `cobordism': a manifold representing spacetime, going between two manifolds representing space. This led to a burst of work on topological quantum eld theory and `quan- tum topology'. But this was just the beginning: similar diagrams can be used to reason about logic, where they represent proofs, and computation, where they represent programs. With the rise of interest in quantum cryptography and quantum computation, it became clear that there is extensive network of analogies between physics, topology, logic and computation. In this expository paper, we make some of these analogies precise using the concept of `closed symmetric monoidal category'. We assume no prior knowledge of category theory, proof theory or computer science.]]></description>
<dc:subject>physics logic math genius-level connections lambda-calculus topology pdf category-theory quantum-mechanics</dc:subject>
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    <title>Interactive Tutorial of the Sequent Calculus</title>
    <dc:date>2012-05-29T03:51:35+00:00</dc:date>
    <link>http://logitext.ezyang.scripts.mit.edu/logitext.fcgi/tutorial</link>
    <dc:creator>dhartunian</dc:creator><dc:subject>logic sequent-calculus tutorial</dc:subject>
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    <title>Stumped by a problem? This technique unsticks you</title>
    <dc:date>2012-03-16T17:29:42+00:00</dc:date>
    <link>http://www.sciencedaily.com/releases/2012/03/120307112749.htm</link>
    <dc:creator>dhartunian</dc:creator><description><![CDATA[Here's how GPT works: "For each object in your problem, you break it into parts and ask two questions," explains McCaffrey, who is now a post-doctoral fellow in UMass's engineering department.
"1. Can it be broken down further? and 2. -- this is the one that's been overlooked -- Does my description of the part imply a use?" So you're given two steel rings and told to make a figure-8 out of them. Your tools? A candle and a match. Melted wax is sticky, but the wax isn't strong enough to hold the rings together. What about the other part of the candle? The wick. The word implies a use: Wicks are set afire to give light. "That tends to hinder people's ability to think of alternative uses for this part," says McCaffrey. Think of the wick more generically as a piece of string and the string as strands of cotton and you're liberated. Now you can remove the wick and tie the two rings together. Or, if you like, shred the string and make a wig for your hamster.]]></description>
<dc:subject>.inspiration how-to-solve-it logic problem-solving .personal-development</dc:subject>
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    <title>To Dissect a Mockingbird: A Graphical Notation for the Lambda Calculus with Animated Reduction</title>
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    <link>http://dkeenan.com/Lambda/</link>
    <dc:creator>dhartunian</dc:creator><description><![CDATA[The lambda calculus, and the closely related theory of combinators, are important in the foundations of mathematics, logic and computer science. This paper provides an informal and entertaining introduction by means of an animated graphical notation.

]]></description>
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    <title>RecPuzzlesArchive - Home Page</title>
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    <title>Links for &quot;Logical Systems&quot;</title>
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    <title>Free logic books « Words and Other Things</title>
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