That's assuming Putin would use nukes in case Ukraine succeeds in winning back their territory.
Which he won't do if mutually assured destruction is credible. He's not going to destroy the world including himself and everything he loves for Ukraine.
Once there are doubts that use of nuclear weapons will be punished, then all bets are off.
Which he won't do if mutually assured destruction is credible. He's not going to destroy the world including himself and everything he loves for Ukraine.
Once there are doubts that use of nuclear weapons will be punished, then all bets are off.