The SI standard unit of time. It is not called 'second' to distinguish it from the function second (from the KIF-lists ontology) that denotes the second element of a sequence.
(= (Quantity.Dimension Second-Of-Time) Time-Dimension)
(= (Base-Units Si-Unit) (Setof Meter Kilogram Second-Of-Time Ampere Degree-Kelvin Mole Candela Identity-Unit)) (= Minute (* Second-Of-Time 60)) (= Newton (* (* Kilogram Meter) (Expt Second-Of-Time -2))) (= Nano-Second (* 1.0E-9 Second-Of-Time))