Final answer:
A con of Propositional Logic is its oversimplification and inability to capture real-world complexities, potentially leading to false premises or relevance issues, and ignoring alternative argumentations.
Step-by-step explanation:
One con of Propositional Logic (PC) is related to its inability to express certain nuances and complexities of natural language and real-world situations. For instance, while propositional logic is robust for constructing clear and structured arguments, it may oversimplify the conditions of truth. In a logical form, the argument pattern may look valid with premises such as P > Q, Q, and concluding P; however, this does not consider the potential for premises being false, irrelevant, or containing circular reasoning. Furthermore, it may overlook scenarios where alternative arguments with equal or greater support exist, which could undermine the validity of the conclusion drawn solely from the proposed premises.