indicator function

function that returns 1 if an element is present in a specified subset and 0 if absent; naturally isomorphic with a set's subsets

en-GB/ˈɪndɪˌkeɪtə ˈfʌŋkʃn/
en-US/ˈɪndəˌkeɪtɚ ˈfʌŋkʃən/

الفئات:

function