Definite clause grammars (DCGs) are a type of formal grammar that provide a way to specify the structure of a language using logical rules. Symbolic differentiation, on the other hand, refers to the process of finding derivatives of functions expressed in symbolic form rather than numerical form. This post highlights the intersection of these topics, focusing on how DCGs can potentially aid in symbolic differentiation processes by providing a structured way to manipulate mathematical expressions. Despite the technical merit, user feedback suggests that improved formatting—such as proper line breaks—could enhance readability and comprehension for those new to the subject.