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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Before artificial intelligence supercharges global productivity, governments will have to deal with an unfortunate reality: The long-awaited economic windfall may be years away, while the bills are coming due now.，推荐阅读51吃瓜获取更多信息
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