How are possible worlds thought to be relevant to modality?
What is trans-world identification?
What is Hume's Fork?
This material may consist of step-by-step explanations on how to solve a problem or examples of proper writing, including the use of citations, references, bibliographies, and formatting. This material is made available for the sole purpose of studying and learning - misuse is strictly forbidden.When I say I am sitting at my desk or I would sit at my desk, I am employing a basic feature of modal logic, thinking about what is possible or impossible versus what is necessary or contingent. What is problematic in a discussion about metaphysics is the issue of what exactly makes up individual events in the world and how do I know the me that is sitting at my desk now is necessarily the same person who in another description of events did not sit at this desk? This is called the problem of trans-world identification. How much of a person is the same person in a series of counterfactuals, or “if otherwise?”, events....