A premise from which conclusions are drawn.
A floating reference point, or SLDMB, used to evaluate surface currents in a body of water. Often employed by coastal search and rescue.
A fixed reference point or set of reference points which precisely define a system of measurement or a coordinate system.
A fact known from direct observation.
To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device.
A body of objectively verifiable facts that are positively indicative of, and/or exclusively concordant with, that one conclusion over any other.
Facts or observations presented in support of an assertion.
Anything admitted by a court to prove or disprove alleged matters of fact in a trial.
One who bears witness.
To provide evidence for, or suggest the truth of.