truth-value gap

truth-value gap

n
(Logic) logic the possibility in certain semantic systems of a statement being neither true nor false while also not being determinately of any third truth-value, as all my children are asleep uttered by a childless person
References in periodicals archive ?
In particular, the usual understanding of vagueness in terms of borderline cases, where the latter are thought of as truth-value gaps, begs the question against the subvaluational approach.
It is, we believe, a mistake to think of history-open sentences as introducing truth-value gaps that sometimes need to be filled by so-called supervaluations.
13) Thomason, "Indeterminist Time and Truth-value Gaps," Theoria 36 (1970): 264-81 and "Combinations of Tense and Modality" in Handbook of Philosophical Logic, ed.