Philosophy
The Philosophy of Language: Reference and Meaning
Quick fact
The philosopher Gottlob Frege pointed out that 'the Morning Star' and 'the Evening Star' both refer to the planet Venus, yet they have different meanings—you can think one without thinking the other, and statements like 'The Morning Star is the Evening Star' can be informative.
Why this is interesting
You use words like 'water' and 'love' every day without a second thought. But have you ever wondered: what makes a word refer to something, and what gives it its meaning?
Read the full explanation
Understanding The Philosophy of Language: Reference and Meaning
When we speak or write, we often take for granted that our words connect to things in the world. In philosophy, this connection is called 'reference.' But there's also 'meaning,' which is more than just pointing. Philosophers distinguish between what a word refers to (its referent) and the way it presents that referent (its sense). Think of a name or description: 'the author of Harry Potter' refers to J.K. Rowling, but the phrase has a sense—a way of picking her out. Two different expressions can refer to the same thing yet have different senses. For example, 'the author of Harry Potter' and 'the woman who wrote the first book I read in 2020' might both refer to Rowling, but they convey different information. This distinction matters because it explains why true identity statements can be informative. If meaning were just reference, 'A = B' would be trivial if A and B refer to the same thing. But it's not—Frege's puzzle shows that sense is crucial for understanding thought and communication.
A deeper explanation
At the heart of reference and meaning is the question: how do words connect to the world? Two major theories attempt to answer this for proper names and natural kind terms. One is 'descriptivism,' associated with Frege and Bertrand Russell. According to this view, a name's meaning is a cluster of descriptions. 'Aristotle' means something like 'the teacher of Alexander the Great' or 'the author of the Nicomachean Ethics.' The name refers to whatever object satisfies those descriptions. However, Saul Kripke famously challenged this. In 'Naming and Necessity' (1970), he argued that names are 'rigid designators'—they refer to the same object in every possible world, regardless of whether the descriptions apply. Even if Aristotle never taught Alexander, we'd still be talking about the same person. Kripke also proposed a causal-historical theory: a name refers to its bearer through an initial 'baptism' followed by a causal chain of uses. This distinction has implications beyond names. Natural kind terms like 'water' or 'gold' also seem to refer to real substances, not just our ideas about them. Even if we discovered that water was not H2O (it isn't), we would not change the referent; we'd just learn something new. In contemporary philosophy, meaning is often tied to use (à la Wittgenstein) or to truth conditions (à la Davidson). But the core puzzle remains: how do finite words capture infinite meaning, and how do they manage to refer to things that don't exist (like 'unicorn')? Philosophy of language continues to explore these questions, bridging logic, linguistics, and the philosophy of mind.