3 ms·There's a question of correctness for any system, no matter how closed or open.by bmitc 4y agoThere's a question of correctness for any system, no matter how closed or open.ykonstant 4y agoBut the process of answering that question is vastly different.Karliss 4y agoYes, but having results verified with multiple different software increases the chance that correctness problems will noticed sooner.