最終更新日：2025/11/29
When converting the formula to prenex normal form, we replaced the variable bound by an existential quantifier that lay within the scope of an even number of logical negations with a Skolem function.
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When converting the formula to prenex normal form, we replaced the variable bound by an existential quantifier that lay within the scope of an even number of logical negations with a Skolem function.
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