Hydra1.jpg (download)‎ (400 × 252 pixels, file size: 16 KB, MIME type: image/jpeg)


Hydra tree.

Source: Kirby, L.; Paris, J. (1982), "Accessible independence results for Peano arithmetic", Bulletin of the London Mathematical Society 14: 285-293.

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current07:16, December 15, 2013Thumbnail for version as of 07:16, December 15, 2013400 × 252 (16 KB)Kyodaisuu (Talk | contribs)


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