Looks like no one added any tags here yet for you.
what do definitions tell us?
meaning of a term or concept
the nature of a thing
member of a kind
how do we give a definition?
specify all and only those characteristics of the defined thing
what is a necessary condition?
what is required for something to be the case
what is sufficient condition?
what is enough for something ot be the case
what is a definition?
the meaning of a concept or term by specifying the necessary and sufficient conditions for the term’s application
how do we know when we have gotten a definition right?
when there are no counterexamples to the definition
what is defining food as a natural kind?
a natural kind is a category determined by physical properties, such as chemical/biological properties