infinitesimal

nonzero positive ‘number’ smaller than any positive real number, formalizable in a number of ways (surreals, hyperreals etc.)

en-US/ˌɪnfɪnɪˈtɛsɪməl/
en-GB/ˌɪnfɪnɪˈtɛsɪml/

دسته بندی ها:

superreal numberhyperreal numberdual numbersurreal number