Source: wikibot/modal-fallacy
= Modal fallacy
{wiki=Modal_fallacy}
A modal fallacy occurs when an argument improperly uses modal logic, which deals with concepts of necessity and possibility. Specifically, it often involves mistakes in reasoning about what is possible or necessary based on the premises given. One common type of modal fallacy is the "affirming the consequent" fallacy in a modal context. For example, if one argues that if something is necessary (e.g.