  On one version of endurantism, relationalism, seemingly monadic properties like sitting and not sitting are really time indexed properties like sitting-at-t and not sitting-at-t', which are properties that an object simply has, instantiating them (or not, as the case may be) absolutely. Unlike the original unindexed properties of sitting and not sitting, these two indexed properties are not contraries and so there is no problem saying that one and the same object simply has both of them. Like the stage theorist, the relationalist claims that there are in fact a multitude of distinct propositions related to (10), like the following.