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Collective Intentionality


In the philosophy of mind, collective intentionality characterizes the intentionality that occurs when two or more individuals undertake a task together. Examples include two individuals carrying a heavy table up a flight of stairs or dancing a tango.

This phenomenon is approached from psychological and normative perspectives, among others. Prominent philosophers working in the psychological manner are Raimo Tuomela, Kaarlo Miller, John R. Searle, and Michael E. Bratman. Margaret Gilbert takes a normative approach dealing specifically with group formation. David Velleman is also concerned with how groups are formed, but his account lacks the normative element present in Gilbert.

The notion that collectives are capable of forming intentions can be found, whether implicitly or explicitly, in literature going back thousands of years. For example, ancient texts such as Plato's Republic discuss the cooperative determination of laws and social order by the group composed of society as a whole. This theme was later expanded into Social Contract theory by Enlightenment-era philosophers such as Thomas Hobbes and John Locke. In the 20th century, the likes of Wilfrid Sellars and Anthony Quinton noted the existence of "We-Intentions" amid broader discussion of the concept of intentionality, and thus laid the groundwork for the focused philosophical analysis of collective intentionality that began in the late 1980s.

Contemporary philosophical discussion of collective intentionality was initiated by Raimo Tuomela and Kaarlo Miller's “We-Intentions”. In this paper, Tuomela and Miller assert three conditions necessary for a collective intention, highlighting the importance of beliefs among the agents of the group. After citing examples that are commonly accepted as requiring more than one member to participate (carrying a table upstairs, playing tennis, toasting to a friend, conversing, etc.), they state their criteria:


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