@wplinge.bsky.social
I love how 2 can be all the things: prime (in Z), composite (in Z[i]), a unit (in Q or Q[x] if you insist on a UFD), or zero (in Z_2 or Z_2[x]).
January 17, 2026 at 7:38 PM
I love how 2 can be all the things: prime (in Z), composite (in Z[i]), a unit (in Q or Q[x] if you insist on a UFD), or zero (in Z_2 or Z_2[x]).