The "Good Upbringing" of Ramon Llull's Blanquerna - Although scholars sometimes eagerly look to Llull's "Book of Blanquerna" for information on elementary and secondary education in medieval Spain, it is at least as interesting for what it can tell us about Llull's cultural ideal..
Hebraica Veritas?: Ramón Llull - Two illustrations from an 18th-century edition of his works, linked to a short biography..
Knowledge Representation - The cover art for John Sowa's book is Ramon Lull's tree of nature and logic. It is reproduced here, along with Sowa's explanation..
Ramon Lull's Ars Magna - Lull may have been the first to use a mechanical device to generate logical proofs, an early logic machine of his own invention..