A propositional attitude is a mental state held by an agent toward a proposition. Propositional attitudes are often assumed to be the fundamental units of thought and their contents, being propositions, are true or false. An agent can have different propositional attitudes toward the same proposition (e.g., “S believes that her ice-cream is cold,” and “S fears that her ice-cream is cold”).

A propositional attitude is a mental state held by an agent toward a proposition. Propositional attitudes are often assumed to be the fundamental units of thought and their contents, being propositions, are true or false. An agent can have different propositional attitudes toward the same proposition (e.g., “S believes that her ice-cream is cold,” and “S fears that her ice-cream is cold”).