1The philosopher's concept of quiddity was central to her theory of being and identity.
2Is it possible to grasp the quiddity of a thing without also understanding its relationships to other things?
3Medieval scholastics debated the quiddity of angels, seeking to define their essential nature and role in the universe.
4The artist's use of colour and light aimed to capture the quiddity of the natural world, rather than merely its appearance.
5There is an ongoing tension in philosophical discussions of quiddity between essentialism and nominalism, with implications for our understanding of reality and language.