3 ms·

Is this ``two-column'' proof style an American thing? I'm not a mathematician but I've written my fair share of proofs (incl. math competitions) and I don't ev

by qsort 5y ago

Is this ``two-column'' proof style an American thing? I'm not a mathematician but I've written my fair share of proofs (incl. math competitions) and I don't ever recall being taught or having used something like this.

jacksnipe 5y ago
In the US, it is typically a large part of the High School Geometry curriculum. This is exacerbated by Euclid’s Elements being a required part of the syllabus in many states (I’m familiar with southern ones, but I’m sure there are more).