Assertion: triangle | /r/CapableOf | puzzle richard feynman
Facets:
value: in a dinner conversation
type: TEMPORAL
value: according to cook
type: OTHER
Source sentences:
text: According to Cook and Wood (2004), this triangle puzzled Richard Feynman in a dinner conversation; they go on to give four different proofs De Villiers (2005) provides a generalization and an analogous result for a parallelogram.