4 ms·

Copernicus proposed heliocentrism in 1543 and it is still relevant today. Some fields just seem to stagnate, I guess.

• posed 4y ago
  It’s not stagnation but the fundamental truths of a system, just like how 2 + 2 = 4 will remain true forever.
  • murdoze 4y ago
    In the algebra course one of the assignments was actually to prove that 2 + 2 = 4. In a ring with a unit.