1. Proofs from The Book is a personal blog of Guillermo Bautista. All views, thoughts, and ideas expressed are solely of the author’s and do not reflect the views or opinions of any organization or business.
  2. The photos and images in this blog are owned by Proofs from The Book unless otherwise noted. You may use any of the images owned by Proofs from The Book provided you link with the original image. 
  3. Most images not owned by the author used in this blog  come from Wikipedia and Flickr. They are either public domain or have a Creative Commons License. 
  4. Proofs from The Book does not stream videos. All the videos presented in this blog are from their respective owners. Proofs from The Book does not claim copyright to these videos unless otherwise noted.


  1. Proofs from the Book contains  Google AdSense units and  Amazon Widgets. Those ad units and widgets may contain tracking cookies.
  2. Google’s use of the DoubleClick cookie enables it and its partners to serve ads to Proofs from The Book’s pages based on visits to sites on the Internet.
  3. Readers who do not want to see the ads may use  ad blockers.
  4. When describing books, Amazon affiliate links are used. Amazon tracks user interaction with those links. I do profit when visitors purchase products through the Amazon links.
  5. A part of the advertising income of Proofs from the Book goes to charity particularly church-related activities.


If you have questions regarding the policies and disclosures of Proofs from the Book, please email me at mathandmultimedia [at] gmail.com

Leave a Reply

Your email address will not be published. Required fields are marked *