Medvedev’s 6-3, 7-6(3) victory over the world No 1 in the semi-finals ended the Spaniard’s 16-match winning run to start the season. World No 11 Medvedev will play Jannik Sinner in the final on Sunday.
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This isn’t obviously wrong. Two servers collaborating is a normal architecture. But if a request arrives at Server A that triggers a call to Server B while Server B is already handling a request that calls Server A, then both block forever. Each is waiting on its own mailbox for a reply that will never arrive, because the other server is waiting too. This is a mutex deadlock expressed through message passing.
Matters seem quite different if A has foreseeably and culpably risked such an outcome. In that case, moral attitudes such as guilt might be strongly warranted. And actions such as attempting to repair the harmful outcome in question, or (insofar as repair is impossible) make amends by preventing other such harmful outcomes, might well be morally obligatory, even at large personal cost. The same moral asymmetries between morally responsible and non-responsible causation would seem to exist when it is the infringement of another person’s right, rather than the destruction of some impersonally valuable object, that is at stake.