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Number sets (infosec.pub)

submitted 1 week ago by weird@sub.wetshaving.social to c/memes@lemmy.world

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[–] tisktisk@piefed.social 18 points 1 week ago (5 children)

Let n be natural? What am I missing imma dropout ffs

[–] Jessica@discuss.tchncs.de 0 points 1 week ago (1 children)

I think it's let n contain the set of all natural numbers?

[–] Lucien@mander.xyz 4 points 1 week ago* (last edited 1 week ago) (1 children)

No, that symbol means "element of"

∈

Denotes set membership, and is read "is in", "belongs to", or "is a member of". That is, x ∈ S means that x is an element of the set S.

[–] Jessica@discuss.tchncs.de 2 points 1 week ago

Good thing I already passed whatever math class used that symbol and got my degree! 😅

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