Full Idea
Rumfitt argues that there is a distinctive notion of necessity implicated in the notion of logical consequence.
Gist of Idea
A distinctive type of necessity is found in logical consequence
Source
report of Ian Rumfitt (Logical Necessity [2010]) by Bob Hale/ Aviv Hoffmann - Introduction to 'Modality' 2
Book Reference
'Modality', ed/tr. Hale,B/Hoffman,A [OUP 2010], p.10