Abstract: We consider the problem of existential quantifier elimination for Boolean formulas in conjunctive normal form. Recently we presented a new method for solving this problem based on the ...

Abstract: Nowadays, digital circuits are widely applied in different equipment such as computers, cell phones, digital watches, etc. As a result, new approaches to implement digital circuits are ...

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存在量词 ``∃`` （ ``\ex`` ）用于表示短语“存在” 。Lean 中的形式表达式 ``∃ x : ℝ, 2 < x ∧ x < 3`` 是说存在一个介于2到3之间的实数。（我们将在 :numref:`conjunction_and_biimplication` 探讨合取符号 ...