Assertion: shape | /r/HasProperty | described by john napier
Facets:
value: in his 1614 book
type: TEMPORAL
Source sentences:
text: This shape was described by John Napier in his 1614 book Mirifici logarithmorum canonis descriptio (Description of the wonderful rule of logarithms) along with rules that link the values of trigonometric functions of five parts of a right spherical triangle (two angles and three sides).