De Morgan's rule

例句：

1. 1. The equation is a classic exampleof De Morgan's rule.
   这个方程是德摩根定律的经典例子。
2. 2. In mathematics, De Morgan's ruleis used to simplify equations involving complex numbers.
   在数学中，德摩根定律被用来简化涉及复数的方程。
3. 3. Thisdiscovery has led to the development of newalgorithms based on De Morgan's rule.
   这一发现导致了基于德摩根定律的新算法的发展。