by ‘semiosis’ I mean ... an action, or influence, which is, or involves, a co-operation of three subjects, such as a sign, its object, and its interpretant, this tri-relative influence not being in any way resolvable into actions between pairs.
цит. по
Charbel N El-Hani et al. A semiotic analysis of the genetic information system. Semiotica, September 2012. DOI: 10.1515/SEM.2006.03.
Семиозис определяется Пирсом как совместное действие неразложимой триады "знак-денотат-интерпретант" или как нечто, включающее такое действие.