The philosophical-psychological Lvov-Warsaw School, derived from the philosophical tradition of Franz Brentano, developed his concept of intentionality for many years in an original way. This is particularly evident in Kazimierz Twardowski’s theory of actions and products and Tadeusz Tomaszewski’s theory of action. Kazimierz Ajdukiewicz’s semantic epistemology is also an important yet unfinished achievement (though less related to the issue of intentionality), in the light of which cognitive processes are organically embedded in cultural artefacts and, more specifically, in language. Despite the (...) extraordinary wealth of the Lvov-Warsaw School’s achievements, the theoretical findings of Twardowski and his disciples allow for the extraction of relatively consistent conclusions regarding the specifics of human cognition. Achievements of the Polish school of psychology seem to be important in the long ongoing discussion on the topic of the nature of cognitive processes and the mind. (shrink)

This article presents the basic achievements of the psychology of religion in the Lvov-Warsaw School of K. Twardowski, their developments and significance for the contemporary psychology of religion. Twardowski’s School existed parallel to other European psychological schools: the Würzburg School, founded by Oswald Külpe, and the Dorpat School of the Psychology of Religion, founded by Karl Girgensohn. The article presents two research trends in the psychology of religion resulting from Twardowski’s works, specifically research on mental acts and religious beliefs with (...) use of introspection and research in the field of cultural-historical psychology. The theory of acts and products, and the theory of cratism/power played crucial roles here. Psychological investigations into religious beliefs were also dominated by the psychological principle of contradiction, and the obtained results also seem to be important today. (shrink)