File:Concertina square graph.svg

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Implications between the Sloane'sA000629(2) = 6 statements with two variables in first-order logic

The formulas are represented by ordered set partitions. Black stands for the universal quantifier, red for the existential one.


 
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Watchduck
You can name the author as "T. Piesk", "Tilman Piesk" or "Watchduck".
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current22:31, 27 June 2013Thumbnail for version as of 22:31, 27 June 2013270 × 300 (21 KB)Watchduck (talk | contribs)correction
22:23, 27 June 2013Thumbnail for version as of 22:23, 27 June 2013270 × 300 (21 KB)Watchduck (talk | contribs){{Information |Description ={{en|1=.}} |Source ={{own}} |Author =Mate2code |Date = |Permission = |other_versions = }}

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