monovalence

1. (chemistry, rare) The state of being univalent.rareuncountable

2. (philosophy) The view, dating from Parmenides, that whatever exists must always have existed and cannot ever change or cease to exist.Examples: "The mystical shell of Hegelian dialectics is ontological monovalence, manifest inter alia in the absence of the concept of determinate absence."; "Yet, if the critique of Dialectic is to be followed then these positive aspects of Hegel are swallowed up by his monovalence."; "The Movement's profound embrace of “Common Sense” philosophy, with its conviction of the monovalence of truth, led to the assumption that all properly thinking people think alike."uncountable