Conjunctive Conditions of Practical Possibility: Why an Option Can Exist Without Being Available to a Particular Person Now

This conceptual paper introduces Conjunctive Conditions of Practical Possibility, the distinction between an option’s being possible in one respect and its being available to a particular person at a particular time. Permission, capacity, affordability, and timing are distinct considerations; availability requires the conditions of a feasible route to hold together. The paper assesses possibility claims by matching their scope to the conditions established. Showing that an option exists or is permitted does not establish that someone can use it now. The relevant conditions depend on the option and route, and support from others may help satisfy them. Difficulty alone does not establish unavailability. The discussion relates the distinction to Sen’s capability approach and examines the Government Accountability Office’s 2018 review of Public Service Loan Forgiveness. The historical case shows how qualifying loans and employment could coexist with unmet payment requirements. The account concerns the program reviewed in 2018 and does not explain why individual borrowers failed to meet particular conditions. Part of the Possibility and Counterfactual Structure series within On Human Modeling, the paper offers questions about available options, required conditions, and control over access. Its framework can inform human–AI research on whether recommendations and judgments about user choice account for the conditions needed to make an option practically available.