Assertion: gratitude | /r/HasProperty | obligation
Facets:
Source sentences:
text: Some philosophers start with what we might call the broad question: whether gratitude itself is an obligation (Camenisch 1981: 10; Blustein 1982; Heyd 1982: 109–111; Meilaender 1984: 156; Swinburne 1989: 65–66; Wellman 1999b: 291).
text: Rather than asking whether gratitude is an obligation, or whether it is a source of obligation, a more fruitful question to ask is whether there are obligations of gratitude (and, if so, what they are).