Full Idea
I conclude that Blackburn has not shown that any grounding of the necessary in the contingent (the Contingency Horn of his dilemma) is doomed to failure.
Gist of Idea
Blackburn fails to show that the necessary cannot be grounded in the contingent
Source
Ross P. Cameron (On the Source of Necessity [2010], 2)
Book Reference
'Modality', ed/tr. Hale,B/Hoffman,A [OUP 2010], p.142
A Reaction
[You must read the article for details of Cameron's argument!] He goes on to also reject the Necessity Horn (that there is a regress if necessities must rely on necessities).
Related Idea
Idea 14529 If something underlies a necessity, is that underlying thing necessary or contingent? [Blackburn, by Hale/Hoffmann,A]