Pakistan now in 'open war' with Afghanistan, defence minister says, after countries trade attacks

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我們需要對AI機器人保持禮貌嗎?

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12:15, 27 февраля 2026Интернет и СМИ

Возможност

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: