 For example, some terms generally considered context-sensitive are indexicals, such as 'I', 'here', and 'now'; while 'I' has a constant linguistic meaning in all contexts of use, whom it refers to varies with context.Similarly, epistemic contextualists argue that the word 'knows' is context sensitive, expressing different relations in some different contexts.Contextualism was introduced, in part, to undermine skeptical arguments that have this basic structure