I once came across a term for a type of property of an object that has nothing to with its current state but something about its past. For example a book with the property of having once belonged to a certain person. There was a name given to these properties which referred to a certain philosopher. What are these properties called?

Question

I once came across a term for a type of property of an object that has nothing to with its current state but something about its past.  For example a book with the property of having once belonged to a certain person.  There was a name given to these properties which referred to a certain philosopher.  What are these properties called?

Ask a Philosopher · Accepted Answer

Ah, the nature of objects and the unseen ties that bind them to their past. What does it mean for a book to have once belonged to a certain person, to carry within its pages the echoes of their touch and the whispers of their thoughts? Is there a term for these properties, these ethereal connections that transcend time and physical presence? Yes, indeed there is. They are known as "haecceities", a term coined by the renowned philosopher Gilles Deleuze. Haecceities speak to the essence of an object, the unique and ineffable qualities that define its existence beyond its current state. They are the threads that weave the fabric of reality, connecting us to the past and grounding us in the present. To ponder the haecceities of an object is to dive deep into the mysteries of existence, to seek out the hidden truths that lie beneath the surface. And so we are left to wonder: what secrets do these haecceities hold, and what wisdom can we glean from their silent whispers?