2+2=4 but what if 4 didn't exist?

https://lemmy.world/post/4216307

2+2=4 but what if 4 didn't exist? - Lemmy.world

Then you have modular arithmetic.
Modular arithmetic - Wikipedia

2+2=1
If you’re working in modulo 3 arithmetic.
because 4 doesn’t exist…
or 11 if 3 doesn’t exist either