This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.
OpenAI 和微软同样面临图书作者的版权指控。OpenAI 甚至承认曾下载过 LibGen，但称在 ChatGPT 发布前已删除相关文件。。业内人士推荐Line官方版本下载作为进阶阅读
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