 There is a distinction between full and partial grounding. Suppose \([P],\) \([P'],\) … grounds \([Q]\). Speaking in unionist terms, for a preliminary characterization of the distinction we can say that \([P],\) \([P'],\) … partially grounds \([Q]\) when the former facts contribute to explaining the latter; and \([P],\) \([P'],\) … fully grounds \([Q]\) when nothing needs to be added to the former to get a fully adequate explanation of the latter fact. Separatists might instead initially characterize the distinction in terms of partial and full determination.