- Accidental predication(as a way of making claims about temporary features)
- Saying something about a quality or property that isn't essential to what something is—like saying 'the dog is brown' describes something that could change without the dog ceasing to be a dog.
- Aristotle
- Aristotle was an ancient Greek philosopher who lived over 2,000 years ago and is one of the most influential thinkers in Western history. He studied nearly every subject—from animals and plants to politics and ethics—and developed practical ways of thinking that shaped how people understand the world. His ideas on logic, nature, and how to live a good life are still taught and debated today because he focused on observing the real world rather than just abstract theories.
- Essential identity conditions(as what makes something fundamentally what it is)
- The qualities or properties that something must have in order to be that thing—if they change, the thing becomes something else entirely.
- Phase sortals(as types of categories that capture temporary stages)
- Temporary categories that describe what something is doing or what stage it's in right now—like 'child' or 'student'—that can change while the thing itself stays the same.
- Substantial predication(as a way of making claims about essential identity)
- Saying something about what something *is* at its core—like saying 'a dog is an animal' tells you about its fundamental nature.
- Ultimate sortals(as types of categories that capture essential identity)
- The most basic, fundamental categories of things—like 'animal' or 'person'—that tell you what something essentially is.
- categories(Kantian epistemology)
- The most basic concepts of objects in general, which are unavoidably employed whenever we think about anything whatsoever