Crossword Heaven

Answer: COGITOERGOSUM

COGITOERGOSUM is a crossword puzzle answer that we have spotted 7 times.

• 17th-century existence "proof"
• Descartes found this truth to be self-evident
• Philosophical axiom
• Descartes's statement about pondering an addition problem?
• Cartesian phrase
• Descartes axiom
• Self expression?