DescriptionPurely functional tree before.svg	en:Purely functional tree, adapted from Okasaki (but redrawn by en:User:Richard W.M. Jones using graphviz). Here is the original DOT file: digraph G { xs[shape=plaintext]; xs -> d; d -> b; d -> g; b -> a; b -> c; g -> f; g -> h; } And then converted to svg by en:User:VineetKumar: dot -Tsvg pftb.dot en:User:Richard W.M. Jones
Date	17 September 2007 (original upload date)
Source	Transferred from en.wikipedia to Commons by sevela.p.
Author	The original uploader was VineetKumar at English Wikipedia.
Permission (Reusing this file)	Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. 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

Original upload log

• 2007-09-18 21:45 VineetKumar 348×325×0 (3829 bytes) Skip intermediate postscript translation; the file is much smaller this way.
• 2007-09-17 19:07 VineetKumar 292×274×0 (14346 bytes) [[Purely functional]] tree, adapted from Okasaki (but redrawn by [[User:Richard W.M. Jones]] using graphviz). Here is the original DOT file: digraph G { xs[shape=plaintext]; xs -> d; d -> b; d -> g; b -> a;