Related Clues:

• It may precede a sum
• "It follows that"
• So it follows that
• 'Cogito, -- sum'
• Logician's conjunction
• ''Cogito ___ sum''
• 'Cogito, -- sum': Descartes
• Logical lead-in
• Deducer's word
• 'Thus ...'
• Sum lead-in
• Logician's connector
• "Cogito ___ sum"
• 'And so ...'
• Thus, in mathematical proofs