C h atuṣkoṭi චතුස්කෝටිකය   - Tetralemma
Aristotelian logic (Binarism)   <ul><li>Positive configuration </li></ul><ul><li>P </li></ul><ul><li>Not-P </li></ul>Negat...
Aristotelian logic <ul><li>Logic of Modern Science </li></ul><ul><li>Studied in Mathematics, Philosophy and Computer Scien...
C h atuṣkoṭi <ul><li>Positive configuration </li></ul><ul><li>  P </li></ul><ul><li>Not-P </li></ul><ul><li>Both P & Not-P...
Relation Problem  ( නෑදෑ ප්රශ්නය ) <ul><li>Mihindu Thero: Great King, Do you have relatives?  ( මහරජ ,  ඔබට නෑයෝ සිටිත්ද ?...
Relation Problem  ( නෑදෑ ප්රශ්නය ) <ul><li>Mihindu Thero: Great King, Is there anyone that is not a relative or yours nor ...
Relation Problem in Set Theory <ul><li>Where do we put the King???? </li></ul>All  Humans Non-Relatives Relatives
C h atuṣkoṭi in our culture <ul><li>“ යන එන ගමන් ”   is not coming “or” going nor coming “and” going. </li></ul><ul><li>“ ...
C h atuṣkoṭi in Buddhist Philosophy <ul><li>නත සෝ නත අඤ්ඤෝ  - ( the one who is reborn) is not the same person nor is anoth...
Quantum Computing <ul><li>Child of Quantum Theory/Quantum Mechanics </li></ul><ul><li>Bit vs. Qubit </li></ul><ul><li>Qubi...
Philosophical Implications of C h atuṣkoṭi  <ul><li>Every observation is relative to the observer. (relation problem, Heis...
References <ul><li>http://en.wikipedia.org/wiki/Buddhist_logic </li></ul><ul><li>http://en.wikipedia.org/wiki/Catuskoti  <...
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Chatuskoti

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Chatuskoti (Catuskoti - Tetralemma - චතුස්‍‍තෝටිකය) is a logic system that existed in ancient India and Sri Lanka. It can be called the logic of Buddhism. It is more like an extension to the modern Binary logic. You may download the presentation to view the Sinhala text (if you have Sinhala unicode installed). You may need to install Unicode Sinhala Fonts to view the Sinhala text at http://www.siyabas.lk. (the Sinhala text is displayed correctly in the presentation transcript, which is displayed below)

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Chatuskoti

  1. 1. C h atuṣkoṭi චතුස්කෝටිකය - Tetralemma
  2. 2. Aristotelian logic (Binarism) <ul><li>Positive configuration </li></ul><ul><li>P </li></ul><ul><li>Not-P </li></ul>Negative configuration -  ( P ) -  ( Not-P ) P Not-P
  3. 3. Aristotelian logic <ul><li>Logic of Modern Science </li></ul><ul><li>Studied in Mathematics, Philosophy and Computer Science </li></ul><ul><li>Independent of the Observer (Objective Reality) </li></ul>
  4. 4. C h atuṣkoṭi <ul><li>Positive configuration </li></ul><ul><li> P </li></ul><ul><li>Not-P </li></ul><ul><li>Both P & Not-P </li></ul><ul><li>Neither P Nor Not-P </li></ul><ul><li>         </li></ul><ul><li>         </li></ul><ul><li>         </li></ul><ul><li>         </li></ul><ul><li>Negative configuration </li></ul><ul><li>-- ( P ) </li></ul><ul><li>--  ( Not-P ) </li></ul><ul><li>--  ( Both P & Not-P ) </li></ul><ul><li>--  ( Neither P Nor Not-P ) </li></ul>P Not-P Both P & Not-P Neither P Nor Not-P
  5. 5. Relation Problem ( නෑදෑ ප්රශ්නය ) <ul><li>Mihindu Thero: Great King, Do you have relatives? ( මහරජ , ඔබට නෑයෝ සිටිත්ද ?) </li></ul><ul><li>King Dev: Yes, Venerable Sir. ( එසේය ස්වාමීනි .) </li></ul><ul><li>Mihindu Thero: Great King, Do you have non-relatives? ( මහරජ , ඔබට නොනෑයෝ සිටිත්ද ?) </li></ul><ul><li>King Dev: Yes, Venerable Sir. ( එසේය ස්වාමීනී .) </li></ul>
  6. 6. Relation Problem ( නෑදෑ ප්රශ්නය ) <ul><li>Mihindu Thero: Great King, Is there anyone that is not a relative or yours nor a non-relative of yours? ( මහරජ , එසේ නෑයෝත් නොවන , නොනෑයෝත් නොවන තවත් අය සිටිත්ද ?) </li></ul><ul><li>King Dev : Yes, Venerable Sir. That is me. ( එසේය ස්වාමීනී . ඒ මමය .) </li></ul>
  7. 7. Relation Problem in Set Theory <ul><li>Where do we put the King???? </li></ul>All Humans Non-Relatives Relatives
  8. 8. C h atuṣkoṭi in our culture <ul><li>“ යන එන ගමන් ” is not coming “or” going nor coming “and” going. </li></ul><ul><li>“ අඩු වැඩිය” is not more “or” less nor more “and” less. </li></ul><ul><li>Attitudes </li></ul><ul><li>Gestures </li></ul>
  9. 9. C h atuṣkoṭi in Buddhist Philosophy <ul><li>නත සෝ නත අඤ්ඤෝ - ( the one who is reborn) is not the same person nor is another. </li></ul><ul><li>In Aristotelian Logic this is impossible. </li></ul><ul><li>In C h atuṣkoṭi this is possible. </li></ul>
  10. 10. Quantum Computing <ul><li>Child of Quantum Theory/Quantum Mechanics </li></ul><ul><li>Bit vs. Qubit </li></ul><ul><li>Qubit can be 1, 0 or any ‘Superposition’ of those two values. (1,0,01,10) </li></ul><ul><li>Cryptography, Modeling </li></ul>
  11. 11. Philosophical Implications of C h atuṣkoṭi <ul><li>Every observation is relative to the observer. (relation problem, Heisenberg uncertainty principle) </li></ul><ul><li>No ‘objective reality’ ( වාස්තවික යථාර්තය ) </li></ul><ul><li>Rather, objective reality is an illusion formed by the intersection of ‘subjective realities’ </li></ul><ul><li>Contrary to the quest of Modern Science (e.g. theory of everything) </li></ul>
  12. 12. References <ul><li>http://en.wikipedia.org/wiki/Buddhist_logic </li></ul><ul><li>http://en.wikipedia.org/wiki/Catuskoti </li></ul><ul><li>http://en.wikipedia.org/wiki/Quantum_computer </li></ul><ul><li>1963  Early Buddhist Theory of Knowledge. – K.N. Jayatillake, Publisher: George Allen and Unwin. </li></ul><ul><li>මගේ ලෝකය ( My World – English translation available) – Nalin De Silva </li></ul><ul><li>අපේ ප්රවාද (Our theories) - Nalin De Silva </li></ul>
  13. 13. Thank You.
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