Mathematics

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8 Rules for SelfStudying Pure Math

Here are my recommendations for selfstudying pure math, based on 20+ years of watching students (and myself) struggle and improve. 1. Have fun (on purpose) Set things...

Why does order suddenly become relevant in Cartesian products?

Ive been studying set theory from a structural perspective for fun. And set themselves care about membership, not order But when we introduce cardinality into a...

Genuinely feeling damn hopeless about my math skills

I feel absolutely fucking useless in math. I struggle with basic multiplication, let alone bigger math, I'm 19, I should be able to do basic...

Expressing the sum of primes as a function

I'd appreciate sum feedback on this expression for p the sum of primes. To evaluate consider is a prime then: sin((pi*a)/b is only 0 when...