if url in self.seen_urls:
For SAT problems with 10 variables and 200 clauses, sometimes outputted UNSAT because it couldn't find any satisfying assignment, and it would take a lot more time to find one, which is logically sound. I don't consider this as bad reasoning as it is about performance. So I tried it with only 100 clauses and it successfully found valid assignments.，这一点在夫子中也有详细论述
Последние новости，更多细节参见搜狗输入法2026
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