''Intentionality'' is the power of minds to be about something: to represent or to stand for things, properties and states of affairs. Intentionality is primarily ascribed to mental states, like perceptions, beliefs or desires, which is why it has been regarded as the characteristic ''mark of the mental'' by many philosophers. A central issue for theories of intentionality has been the problem of ''intentional inexistence'': to determine the ontological status of the entities which are the objects of intentional states.
An early theory of intentionality is associated with
Anselm of Canterbury
Anselm of Canterbury, OSB (; 1033/4–1109), also called ( it, Anselmo d'Aosta, link=no) after his birthplace and (french: Anselme du Bec, link=no) after his monastery, was an Italian Benedictine monk, abbot, philosopher and theologian of ...
's
ontological argument for the
existence of God, and with his tenets distinguishing between objects that exist in the understanding and objects that exist in reality. The idea fell out of discussion with the end of the medieval
scholastic period, but in recent times was resurrected by
empirical psychologist Empirical psychology (german: empirische Psychologie) is the work of a number of nineteenth century German-speaking pioneers of experimental psychology, including William James, Wilhelm Wundt and others. It also includes several philosophical theori ...
Franz Brentano and later adopted by
contemporary phenomenological philosopher Edmund Husserl
, thesis1_title = Beiträge zur Variationsrechnung (Contributions to the Calculus of Variations)
, thesis1_url = https://fedora.phaidra.univie.ac.at/fedora/get/o:58535/bdef:Book/view
, thesis1_year = 1883
, thesis2_title ...
. Today, intentionality is a live concern among philosophers of mind and language. A common dispute is between
naturalism about intentionality, the view that intentional properties are reducible to natural properties as studied by the
natural sciences
Natural science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical evidence from observation and experimentation. Mechanisms such as peer review and repeat ...
, and the phenomenal intentionality theory, the view that intentionality is grounded in consciousness.
Overview
The concept of intentionality was reintroduced in 19th-century contemporary