Mod-01 Lec-19 Semantic Tableaux Method for Propositional Logic – The Engineering of Conscious Experience

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Introduction to Logic by Dr. A.V. Ravishankar Sarma,Department of Humanities and Social Sciences,IIT Kanpur.For more details on NPTEL visit http://nptel.ac.in .

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Thanks for the video</p> </div> </article> </li> <li id="comment-193282" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193282" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCIfD5yYk2R4bv99QpQJzTxw" class="url" rel="ugc external nofollow">aempty aakash</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193282"><time datetime="2015-10-15T16:41:55-07:00">October 15, 2015 at 4:41 pm</time></a> </div> </footer> <div class="comment-content"> <p>Thank you soo much sir,</p> </div> </article> </li> <li id="comment-193281" class="comment even thread-even depth-1"> <article id="div-comment-193281" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UC-z-8xYjfbLzvU2lqHvCfIA" class="url" rel="ugc external nofollow">lokesh loki</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193281"><time datetime="2016-03-31T22:47:47-07:00">March 31, 2016 at 10:47 pm</time></a> </div> </footer> <div class="comment-content"> <p>some what confusion. sir</p> </div> </article> </li> <li id="comment-193280" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193280" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCYZFwM-5abrhQp2qa1ILK2Q" class="url" rel="ugc external nofollow">Abhinav</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193280"><time datetime="2016-05-07T23:55:21-07:00">May 7, 2016 at 11:55 pm</time></a> </div> </footer> <div class="comment-content"> <p>very well explained . Thank you !</p> </div> </article> </li> <li id="comment-193279" class="comment even thread-even depth-1"> <article id="div-comment-193279" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCCk4Xp18S46z3QK4hlTkSkQ" class="url" rel="ugc external nofollow">malhar jajoo</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193279"><time datetime="2016-12-05T19:56:19-07:00">December 5, 2016 at 7:56 pm</time></a> </div> </footer> <div class="comment-content"> <p>At <a href="http://www.youtube.com/watch?v=ebE4rOI32uM&t=26m00s">26:00</a> . Both the counter examples have same p , q and r. How ?</p> </div> </article> </li> <li id="comment-193278" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193278" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCKSBJ60lHlCvsEjZX2v2fmw" class="url" rel="ugc external nofollow">hafeez ahmed</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193278"><time datetime="2017-09-28T04:54:48-07:00">September 28, 2017 at 4:54 am</time></a> </div> </footer> <div class="comment-content"> <p>In the first example, p==>r is false in two conditions, (p=T, q=T and r=F) and (p = T, q=F and r=F). In the first case we can check for satisfiability of !(p==>r), but in the second case p==>q is itself false. It leads to ((p==>q AND q==>r) ==F), hence we don't check satisfiability of !(p==>r).</p> </div> </article> </li> <li id="comment-193277" class="comment even thread-even depth-1"> <article id="div-comment-193277" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCrENX8g8jInO_obtJnGy3zw" class="url" rel="ugc external nofollow">alp a</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193277"><time datetime="2017-11-27T11:08:16-07:00">November 27, 2017 at 11:08 am</time></a> </div> </footer> <div class="comment-content"> <p>Best explanation I've ever seen. Been stumped for the last 3 hours on one question. Thank you mister Sarma!</p> </div> </article> </li> <li id="comment-193276" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193276" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCBNkOrvqKTIpjGYsUaEhkBw" class="url" rel="ugc external nofollow">Vladislav Panchyshyn</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193276"><time datetime="2018-01-09T13:41:19-07:00">January 9, 2018 at 1:41 pm</time></a> </div> </footer> <div class="comment-content"> <p>I was struggling to understand this part of the subject. Now its time to try some exercises on my own. Thank you.</p> </div> </article> </li> <li id="comment-193275" class="comment even thread-even depth-1"> <article id="div-comment-193275" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UC_gwrHKTSD_pu3a6kCU1b7g" class="url" rel="ugc external nofollow">Tarkesh Kandregula</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193275"><time datetime="2018-09-07T14:00:36-07:00">September 7, 2018 at 2:00 pm</time></a> </div> </footer> <div class="comment-content"> <p>excellent</p> </div> </article> </li> <li id="comment-193274" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193274" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCtCld0wdy0q8nQAmmtX0Tog" class="url" rel="ugc external nofollow">Yadhav Kumar</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193274"><time datetime="2018-09-09T03:52:08-07:00">September 9, 2018 at 3:52 am</time></a> </div> </footer> <div class="comment-content"> <p>Thanks a <a href="http://lot.you/">lot.You</a> are a great teacher</p> </div> </article> </li> <li id="comment-193273" class="comment even thread-even depth-1"> <article id="div-comment-193273" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCzXc7AbUeLrSckOfx_ST1tw" class="url" rel="ugc external nofollow">Queen of Moderation</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193273"><time datetime="2018-10-22T14:59:14-07:00">October 22, 2018 at 2:59 pm</time></a> </div> </footer> <div class="comment-content"> <p>God bless this Professor for making this so simple. We need more teacher like him.</p> </div> </article> </li> <li id="comment-193272" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193272" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UC1yaKRc3ahp_6zVcitAOTBQ" class="url" rel="ugc external nofollow">Letlotlo Kgotse</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193272"><time datetime="2019-02-18T22:48:18-07:00">February 18, 2019 at 10:48 pm</time></a> </div> </footer> <div class="comment-content"> <p>Very well explained..Much appreciated</p> </div> </article> </li> <li id="comment-193271" class="comment even thread-even depth-1"> <article id="div-comment-193271" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCtl2PouTGbX44ple-iQFpPw" class="url" rel="ugc external nofollow">nick</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193271"><time datetime="2019-03-05T15:05:45-07:00">March 5, 2019 at 3:05 pm</time></a> </div> </footer> <div class="comment-content"> <p>Thanks this was really helpful</p> </div> </article> </li> <li id="comment-193270" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193270" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UC_QmoBLC_qCVQU4tcykNxRQ" class="url" rel="ugc external nofollow">Gauta Lawrence Busa</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193270"><time datetime="2019-03-18T13:20:35-07:00">March 18, 2019 at 1:20 pm</time></a> </div> </footer> <div class="comment-content"> <p>I wish I watched this before discrete mathematics test chow me.</p> </div> </article> </li> <li id="comment-193269" class="comment even thread-even depth-1"> <article id="div-comment-193269" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UC85wn9ir1GQRGC2ve49m1Tw" class="url" rel="ugc external nofollow">Higor Ferreira</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193269"><time datetime="2019-04-24T15:07:31-07:00">April 24, 2019 at 3:07 pm</time></a> </div> </footer> <div class="comment-content"> <p>Salve FROM BRAZIL!!!</p> </div> </article> </li> <li id="comment-193268" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193268" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UC6z5olwKAcINaPaqmtQR-yA" class="url" rel="ugc external nofollow">vaidehi pandya</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193268"><time datetime="2019-10-01T22:15:59-07:00">October 1, 2019 at 10:15 pm</time></a> </div> </footer> <div class="comment-content"> <p>Amazing explaination!</p> </div> </article> </li> <li id="comment-193267" class="comment even thread-even depth-1"> <article id="div-comment-193267" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCSt7A-kqMrJWF3fOG3N7rSQ" class="url" rel="ugc external nofollow">Gustav Bodenschatz</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193267"><time datetime="2019-10-20T10:56:14-07:00">October 20, 2019 at 10:56 am</time></a> </div> </footer> <div class="comment-content"> <p>Honestly this is a pretty bad explanation. I'm happy that I have a good Logic scholar.</p> </div> </article> </li> <li id="comment-193266" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193266" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCZWKoelflxn0YEpERUW1eHg" class="url" rel="ugc external nofollow">Idrees Iqbal</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193266"><time datetime="2019-10-27T04:32:31-07:00">October 27, 2019 at 4:32 am</time></a> </div> </footer> <div class="comment-content"> <p>so, is that argument is valid or not? you say one thing and then you change your own statement.</p> </div> </article> </li> <li id="comment-193265" class="comment even thread-even depth-1"> <article id="div-comment-193265" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCQL_zrgJucXeEVTGDO0D05A" class="url" rel="ugc external nofollow">mythorganizer</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193265"><time datetime="2019-11-01T09:48:37-07:00">November 1, 2019 at 9:48 am</time></a> </div> </footer> <div class="comment-content"> <p>Didn't know international students used it too<br />Damn</p> </div> </article> </li> <li id="comment-193264" class="comment odd alt thread-odd thread-alt depth-1"> <article id="div-comment-193264" class="comment-body"> <footer class="comment-meta"> <div class="comment-author vcard"> <b class="fn"><a href="https://www.youtube.com/channel/UCn6aC5l46eoVIlEj4FcZ3gA" class="url" rel="ugc external nofollow">Monkey D Luffy</a></b> <span class="says">says:</span> </div> <div class="comment-metadata"> <a href="https://theengineeringofconsciousexperience.com/mod-01-lec-19-semantic-tableaux-method-for-propositional-logic/#comment-193264"><time datetime="2020-05-01T21:16:16-07:00">May 1, 2020 at 9:16 pm</time></a> </div> </footer> <div class="comment-content"> <p>Is it logical to say that i love this teacher so much?</p> </div> </article> </li> </ol> <p class="no-comments">Comments are closed.</p> </div> </main> </div> <div class="col-md-3 px-lg-3 "> </div> </div> </div> </div> <footer id="colophon" class="site-footer"> <div class="container"> <div class="row"> <div class="col-md-12 text-center"> <div class="site-info"> <span> Powered By: <a href="https://wordpress.org/" target="_blank">WordPress</a> </span> <span class="sep"> | </span> <span> Theme: <a href="https://odiethemes.com/themes/magazinebook/" target="_blank">MagazineBook</a> By OdieThemes </span> </div> </div> </div> </div> </footer> </div> <script>(function(){var advanced_ads_ga_UID="UA-88163215-1",advanced_ads_ga_anonymIP=!!1;window.advanced_ads_check_adblocker=function(t){var n=[],e=null;function a(t){var n=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||function(t){return setTimeout(t,16)};n.call(window,t)}return a((function(){var t=document.createElement("div");t.innerHTML=" ",t.setAttribute("class","ad_unit ad-unit text-ad text_ad pub_300x250"),t.setAttribute("style","width: 1px !important; 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