Related Clues:

• If's partner, in logic
• Thereupon
• 'And so ...'
• "So you see . . ."
• Thus, in mathematical proofs
• Thus, to a logician
• Cogito follower
• Partner of 59 Across
• And so . . .
• Apt rhyme for "so"
• '__ what?'
• "___ again ..." ("on the other hand ...")
• Descartes' adverb
• 'All righty ___!'
• ''If so . . .''