Set theory and logic sound academic, but theyâ(TM)re the backbone of stuff weâ(TM)ve all done for years - set theory is just dealing with groups of things (like user lists, IP ranges, database rows), and logic is the true/false reasoning behind conditionals (if, and, or, not). Youâ(TM)ve used these every time you wrote a filter, a query, a firewall rule, or debugged a script.
Understanding them helps you think clearly, spot inconsistencies, and model complex problems, which are all crucial skills - especially in a world where AI might do the typing, but you still need to ask the right questions