Reading formal mathematics is even harder than standard theorem / proof mathematics. For example:

$$ \forall{x} \exists{y} (( y \neq 1 \& \forall{z} ( \exists{t} ( z \cdot t = y) \rightarrow ( z=1 \wedge z=y ))) \& \exists{s} (x+s=y)) $$

for all x a y exists such that

y not equal to 1 and for all z a t exists such that

z times t = y implies z =1 or z = y

and a s exists such that x plus s = y.

Do you get it? There are infinitely many primes.

2-2018 Teaching by misleading

2 months ago

I don't get it. How can x + s = y implies infinitely many primes?

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