In theoretical physics, a no-go theorem is a theorem that states that a particular situation is not physically possible. This type of theorem imposes boundaries on certain mathematical or physical possibilities via a proof of contradiction.[1][2][3]
^Federico Laudisa (2014). "Against the No-Go Philosophy of Quantum Mechanics". European Journal for Philosophy of Science. 4 (1): 1–17. arXiv:1307.3179. doi:10.1007/s13194-013-0071-4.