first instant of

IRI

http://purl.obolibrary.org/obo/BFO_0000221

Definition

t first instant of t' =Def t is a temporal instant & t' is a temporal region t' & t precedes all temporal parts of t' other than t

Example

An hour starting at midnight yesterday has first instant midnight yesterday

http://purl.org/dc/elements/1.1/identifier

268-BFO

Relations
Range
temporal region
Domain
temporal instant
Inverse Object Properties
has first instant