The view, most prominently represented by George Berkeley (1685-1753), that only ideas and minds exist; there are no material objects. https://youtube.com/shorts/Sr6Wg06YhwI?feature=share
Those features of a (specific) person discoverable through experience. Compare with Transcendental ego. https://youtube.com/shorts/516kx_xu-TA?feature=share
The theory that moral judgments are nothing other than expressions of positive or negative feelings. https://youtube.com/shorts/nOQAXyhF_jY?feature=share
The theory that the terminology of mental states will be abandoned as more is known about the brain. https://youtube.com/shorts/GuHVnxEtQ6M?feature=share