There is a special form for boolean formulas called "Conjunctive Normal Form" (CNF). A problem in this form consists of clauses connected with and operators, where each clause only contains variables connected with or operators. The variables can appear negated, but only variables can be directly negated, something like !(a && b) is not allowed. An example boolean formula in CNF form is:
Израиль нанес удар по Ирану09:28。关于这个话题，safew官方版本下载提供了深入分析
Москвичей предупредили о резком похолодании09:45。业内人士推荐91视频作为进阶阅读
第二十一条 违反治安管理行为人自愿向公安机关如实陈述自己的违法行为，承认违法事实，愿意接受处罚的，可以依法从宽处理。。关于这个话题，heLLoword翻译官方下载提供了深入分析