Assertion: fountain pen's ink | /r/HasProperty | permanent
Facets:
Source sentences:
text: This ink is more durable and permanent than fountain pen ink, but should only be reserved for use with dip pens.
text: This ink is more durable and permanent than fountain pen ink, but should only be reserved for use with dip pens.
text: Whether ink is "permanent" is a matter of degree.
text: Modern self-lubricating ink does not ruin your fountain pen, but is permanent so you can add watercolor washes.