Related Clues:

• Tree-hugger's prefix
• Prefix with magnetic
• Logical beginning?
• Cogito, --- sum (Descartes' conclusion)
• 1980's-90's car name
• Beginning of a conclusion
• Prefix with graphic
• Therefore, to Descartes
• ''The Name of the Rose'' author
• 'A Theory of Semiotics' author
• Earth prefix
• Syllogism word
• 'Il Nome Della Rosa' writer
• ''The Name of the Rose'' penner
• Pres. Washington