From this and other starting concepts, he developed a "relational theory of systems" that attempts to explain the special properties of life.

Mach's suggestion can be taken as the injunction that gravitation theories should be relational theory.

In contrast, relational theories stress the patient's relationships, both fantasized and real, with other people.

In physics, someone who has constructed a relational theory, or promotes relational theorising, is called a relationist.

Its opposite is the relational theory.

Since the late 1980s, a direction in psychoanalysis often referred to as relational psychoanalysis or just relational theory has developed.

The two interpretations are equivalent if no distinction is made between instantons and events, which is what would be expected in a relational theory.

An absolute theory is the opposite of a relational theory.

Someone who has constructed a relational theory or promotes relational theorising is called a relationist.

Her research interests are in social and relational theory, urban sociology, and social policy.