A relation indicates the connection between INPUT and OUTPUT. Conversely, a function is a relation where each given INPUT corresponds to precisely one OUTPUT.

Both hypertension and hypotension have been associated with late-life cognitive decline and dementia. Novak and Hajjar discuss evidence supporting the relationship between blood pressure and ...

In Difference and Repetition, Deleuze claims that it is in virtue of a relation of expression which holds between intensive processes of individuation and virtual Ideas that the former determines the ...