(logic) A table showing all possible truth values for an expression, derived from the truth values of its components.

(games) A game where players take it in turn to perform a dare set by the other players, or truthfully answer a question put forth by them.

(games) The question asked during the truth or dare game, in which a player asks another player to choose between the two.

(often Christian) undeniable truth, such as that revealed by God

plural of vacuous truth

(logic) A proposition which is true only because it is a conditional statement with a necessarily false premise, or which asserts a property of all elements of an empty domain of discourse.

Information acquired by direct observation rather than by inference.

To gather information by direct observation rather than inference.

(computing) In machine learning, the process of gathering objective (provable) data in order to test the system.

present participle of ground truth