Full Idea
We take ground to be an explanatory relation: if the truth that P is grounded in other truths, then they account for its truth; P's being the case holds in virtue of the other truths' being the case. ...It is the ultimate form of explanation.
Gist of Idea
Ultimate explanations are in 'grounds', which account for other truths, which hold in virtue of the grounding
Source
Kit Fine (The Question of Realism [2001], 5)
Book Reference
-: 'Philosophers' Imprint' [-], p.16
A Reaction
To be 'ultimate' that which grounds would have to be something which thwarted all further explanation. Popper, for example, got quite angry at the suggestion that we should put a block on further investigation in this way.
Related Idea
Idea 5451 Popper felt that ancient essentialism was a bar to progress [Popper, by Mautner]