Purpose In the tradition of Spencer Brown’s (1969) Laws of Form, observation was defined in Luhmann’s (1984) social systems theory as the designation of a distinction. In the sociological design, however, the designation specifies only a category for the observation. The distinction between observation and expectation enables the sociologist to appreciate the processing of meaning in social sys...

This paper analyses some aspects of the trajectory of the Argentinian physician and sociologist Juan César García (1932-1984) in the field of Latin American Social Medicine. Three dimensions constituting his basic orientations are highlighted: the elaboration of systematic and reflective social thought; a critical attitude in questioning teaching and professional practices; a commitment to the ...

This paper argues for a closer association between economics and sociology. The latter could benefit from the intellectual rigour of the former. Building a unified socio-economics requires an intellectual rapprochement between the sociologist conception of social interaction and a relaxed version of rational choice. Evolutionary game theory may provide