--- title: "2024-10-24" --- - [x] Anki Flashcards - [x] KoL - [x] OGS - [ ] Sheet Music (10 min.) - [ ] Korean (Read 1 Story) * Finished "Recursion on $\omega$" and "Arithmetic" sections of Enderton's "Elements of Set Theory". * Notes on recursively defined [[natural-numbers#Addition|addition]], [[natural-numbers#Multiplication|multiplication]] and [[natural-numbers#Exponentiation|exponentiation]] [[set/functions|operations]]. * Notes on local stack variables and arguments passed on the stack.