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Maths rule (files.catbox.moe)

submitted 4 months ago by [email protected] to c/[email protected]

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[–] [email protected] 12 points 4 months ago (10 children)

Or fancy letters, like the L in a Laplace transformation.

[–] [email protected] 9 points 4 months ago (8 children)

And if that's not enough, you just straight up make up new symbols, like Nabla

[–] [email protected] 10 points 4 months ago (7 children)

Ah yes, because other science fields like linguistics would never just grab random letters and turn them upside down to repurpose them!

[–] [email protected] 3 points 4 months ago (1 children)

əəəə... What do you mean? /j

[–] [email protected] 1 points 4 months ago* (last edited 4 months ago) (1 children)

There exist a mirroded E

[–] [email protected] 1 points 4 months ago (1 children)

Any upsidedown A in the set of all real characters used in academia would immediately illicit mathematical memories.

[–] [email protected] 1 points 4 months ago (1 children)

Did you mean ALL the upside up A?

[–] [email protected] 2 points 4 months ago (1 children)

Nope, it means "for any" as in no matter which one you choose it will be correct.

[–] [email protected] 2 points 4 months ago (1 children)

I usually used it as "for all", but its looks like "for any" is used too

[–] [email protected] 1 points 4 months ago

I sit corrected. It's used as an arbitrary singular value within the proof, so for any always felt more appropriate.

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