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Summary

DescriptionNon-closed propositional tableau.svg
English: A non-closed tableau for the set { a ∧ c , ¬ a ∨ b } {\displaystyle \{a\wedge c,\neg a\vee b\}} {\displaystyle \{a\wedge c,\neg a\vee b\}}. This set is satisfiable, so this tableau cannot be closed. Indeed, one sees that, for every non-literal formula and every branch the formula is in, the applicable rule has been applied.
Date 5 January 2007 (original upload date)
Source Transferred from en.wikipedia to Commons by Piquart using CommonsHelper.
Author Tizio at English Wikipedia

Licensing

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This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue
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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2009年07月30日 23:08 RobHar ×ばつ (23459 bytes) added background
  • 2009年07月30日 01:00 RobHar ×ばつ (23203 bytes) Convert text to path to fix display problem, change font, other tweaks
  • 2007年01月05日 16:46 Tizio ×ばつ (3611 bytes) a non-closed tableau

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5 January 2007

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Date/TimeThumbnailDimensionsUserComment
current14:39, 12 July 2010 Thumbnail for version as of 14:39, 12 July 2010 189 ×ばつ 270 (23 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|A non-closed tableau for the set <math>\{a \wedge c, \neg a \vee b\}</math>. This set is unsatisfiable,

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