Full Idea
If the demands of justice can be assessed only with the help of public reasoning, and that is constitutively related to the idea of democracy, then there is an intimate connection between justice and democracy.
Gist of Idea
If justice needs public reasoning, which needs democracy, then justice and democracy are linked
Source
Amartya Sen (The Idea of Justice [2009], 15 'Content')
Book Reference
Sen, Amartya: 'The Idea of Justice' [Penguin 2010], p.326
A Reaction
I suspect that he argued early on that rationality required many perspectives in order to later mount this defence of democracy.
Related Idea
Idea 20982 In politics and ethics, scrutiny from different perspectives is essential for objectivity [Sen]