Related Clues:

• Logician's word
• Cogito ___ sum (Descartes' conclusion)
• "And ___ what happened?"
• Word in a Descartes quote
• Prefix meaningà "work"
• Hence, in logic
• Conclusion word
• 'Back ___' (2005 song by Mike Jones)
• "Back ___" (2005 song by Mike Jones)
• "This being the case ..."
• Word preceding a conclusion
• "As a result ..."
• Every now and ___
• First of two before-and-after pictures
• It may precede a sum?