On Mon, Oct 2, 2017 at 11:12 PM, David Sweeris via swift-evolution < swift-evolution@swift.org> wrote:
> Maybe they've started teaching it earlier than when I went through > school... I don't think I learned it until Discrete Math, which IIRC was a > 2nd or 3rd year course at my college and only required for Math, CS, and > maybe EE majors. Anyway, WRT a), if Swift achieves its "take over the > world" goal, *all* use cases will be Swift use cases. WRT b), "many" as > in the numerical quantity or "many" as in the percentage? There are > probably millions of people who recognize calculus's operators, but there > are 7.5 *billion* people in the world. > I’m 19 and for what it’s worth, set notation is “taught” in 9th grade but no one really “learns” it until they get to discrete structures in college. There’s a ton of random things that get introduced in high school/middle school that no one ever retains. Believe it or not they teach set closure in 6th grade, at least in my state. It’s still my opinion that ⊆, ⊇, ∪, and friends make for obfuscated code and I consider unicode operators to be one of the “toy” features of Swift.
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