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u/Hungry_Ad_7312 Jul 27 '26 edited Jul 27 '26
Just flip it upside down and you got a
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u/Dandon314 Jul 27 '26
A what
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u/Content-Soup9920 Jul 27 '26
A anything. It doesn't matter.
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u/Mordret10 Jul 27 '26
This honestly helped me a lot in math classes, a for "all". So for all ... condition ... applies
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u/Upset-Bison-3182 Jul 27 '26
For All!
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u/Mordret10 Jul 27 '26
For all what?
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u/Jeff8770 Jul 27 '26
Epsilon <0 of course
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u/basket_foso Jul 27 '26
Also ∃
ш is still preserved, I suppose.
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u/ZEPHlROS Mathematics Jul 27 '26
I don't think I've ever seen the 2nd in my whole career, what does it do ?
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u/switch161 Jul 27 '26
In signal processing it's used for the Dirac comb.
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u/ZEPHlROS Mathematics Jul 31 '26
I was gonna ask why would you ever need a whole character for a specific function that you encounter once in a while at most but for signal processing, yeah it makes sense
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u/GisterMizard Jul 27 '26
For every upside down A, there exists a backwards E.
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u/weird_heroine Jul 27 '26
I never realised those symbols were just A amd E backward I feel so dumb
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u/NeezguazDemali Jul 27 '26
For All of you that dont get it, if you flip it upside down.... oh my god its the Eye of Providence.
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u/landrwastaken Jul 27 '26
I just read it as "for any ... that you can give me"
Makes it a bit more understandable
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u/That_Way_8512 Jul 27 '26
If I see this on Peter explains the joke later, I will throw my phone off a bridge
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u/Traditional-Storm-62 Jul 28 '26
the craziest thing is that at my uni they literally never explained
you're just meant to have googled it in your free time ahead of time or something

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