一文讀懂特朗普最新關稅措施：他宣佈的最新全球關稅將如何運作？2026年2月22日
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:
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He thinks that the community was enclosed, living right next door to the cemetery, separated from the rest of society.
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