Focusing on Condillac's critical examination of speculative metaphysics, this study delves into his analysis of both effective and flawed systems, highlighting his innovative approach to empirical and scientific methods. It explores his application of Newtonian principles to various disciplines and his emphasis on the significance of language and hypotheses. By employing linguistic criticism, Condillac challenges the metaphysical ideas of figures like Descartes and Spinoza, positioning his work as a pivotal critique of 18th-century thought.
