Thisness is a related term of thatness.
As nouns the difference between thisness and thatness
is that thisness is the qualities]], [[property|properties or characteristics of a thing which make it a particular thing while thatness is the quality or characteristic of being that (something referred to).
thisness
English
Noun
(en-noun)
The qualities]], [[property, properties or characteristics of a thing which make it a particular thing.
Synonyms
* haecceity
thatness
English
Noun
(en-noun)
The quality or characteristic of being that (something referred to).
Related terms
* thisness