"I'm trying," Arthur said. "But I don't... I don't have the intuition. I feel like I'm just guessing."
Because the exercises require genuine mathematical creativity rather than rote memorization, getting stuck is an intentional part of the learning process. This is where a solution manual becomes an invaluable pedagogical tool. 1. Verification of Proofs Calculus Michael Spivak Solution Manual 4th Edition Pdfrar