This is also why "rubber duck debugging" works. Once you explore all of the edges while writing/taking things through, you often find what you were overlooking

This is also why "rubber duck debugging" works. Once you explore all of the edges while writing/taking things through, you often find what you were overlooking before. Same for why teaching works to increase the knowledge of the teacher. I like to write things I'm learning about as if I were teaching someone less experienced than I was.