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Altruistic Emotions and the Kantian View 2. Altruistic Emotions as Moral Motivation 3. Friendship, Beneficience, and Impartiality 4. Friendship as a Moral Phenomenon 5. Direct Altruism, Universalizability, and Consistency 6. Altruistic Emotion, Reason, and Perception 7. The Intrinsic Value of Altruistic Emotions 8. Will, Emotion, and the self.
Blum et al. (Thu,) studied this question.