sentential calculus

例句：

1. 1. In sentential calculus, the truth values of sentences are determined by their logical form.
   在命题演算中，句子的真值由其逻辑形式决定。
2. 2.Propositional calculus is a formal system for expressing and reasoning about statements.
   命题演算是一种用于表达和推理陈述的形式主义系统。
3. 3. The study of sentential calculus is crucial in developing algorithms for solving complex problems.
   研究命题演算对于开发解决复杂问题的算法至关重要。