René Descartes

If “possible” and “can” can’t be defined in terms of truth at some possible world, how can we make sense of the different ways of using the words “possible” and “can”?

When considering the concepts of "possible" and "can," it is essential to delve into the nature of truth and its implications on our understanding of these terms. It is clear that these words hold a unique and complex significance in our language, as they allow us to explore the boundaries of what can be conceived or achieved. However, when we attempt to define them solely in terms of truth within a possible world, we face a profound challenge in reconciling the different ways in which these words are used. For possibility and capability are not merely binary notions that can be neatly categorized as true or false; they encompass a wide spectrum of potentialities and limitations that vary depending on context, perspective, and interpretation. It is in this ambiguity and variability that the true essence of these concepts lies, for they serve as a means of navigating the uncertainties and complexities of our existence. Thus, to make sense of the diverse ways in which "possible" and "can" are employed, we must embrace the fluidity and malleability of these terms, recognizing that their meanings are subject to constant renegotiation and reinterpretation. In doing so, we open ourselves up to a profound philosophical inquiry into the nature of possibility, capability, and truth, and the intricate interplay between them that shapes our understanding of the world around us.