Thanks, I'll check that out. It's very possible that I got the wrong impression here, but he does explicitly talk about teaching deductively in this essay: SI

Thanks, I'll check that out. It's very possible that I got the wrong impression here, but he does explicitly talk about teaching deductively in this essay: SIMPLICIO: Then what should we do with young children in math class? SALVIATI: Play games! Teach them Chess and Go, Hex and Backgammon, Sprouts and Nim, whatever. Make up a game. Do puzzles. Expose them to situations where deductive reasoning is necessary. Don’t worry about notation and technique, help them to become active and creative mathematical thinkers.