How did Three Dialogues Between Hylas and Philonous present George Berkeley's ideas?

George Berkeley’s Three Dialogues Between Hylas and Philonous (1713) serves as a literary reinforcement of the immaterialist philosophy he previously established in his A Treatise Concerning the Principles of Human Knowledge.1

By utilizing an attractive literary form and avoiding technical jargon, the work presents his core ideas through a conversation between two characters, Hylas and Philonous. This format allows Berkeley to dialectically explore and defend his central thesis: that "to be" means to be perceived (esse est percipi).123

In the dialogues, Berkeley argues that all sensible objects are merely ideas existing within a mind. He rejects the existence of material substance and the notion of an imperceptible "substrate" in which properties inhere, maintaining that qualities such as extension and impenetrability exist only in the mind. The work effectively communicates his view that, while he affirms the existence of objects, these objects are composed entirely of ideas, a position he argued was consistent with common sense when properly understood.345