I learned how to write proofs in 6th grade, with Euclidean geometry. Granted, in high-school and early university I became more comfortable with juggling altern

I learned how to write proofs in 6th grade, with Euclidean geometry. Granted, in high-school and early university I became more comfortable with juggling alternating quantifiers (like epsilon-delta), but it wasn't at any point like the shock everyone makes it to look like.