Assertion: parchment | /r/HasProperty | vellum
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: Pergamena sums it up on their website in saying “all vellum is parchment, but not all parchment is vellum.
text: As Europe remained without access to real wood-based paper that we use today, majority of recorded writing from the new era was preserved on parchments (sometimes called vellum it was made from calf skin).
text: Here’s a simple formula: All vellum is parchment, but not all parchment is vellum.