Full Idea
There are rights to non-interference (and their corresponding "negative duties"), and the rights to goods and services (with corresponding "positive duties"). Interference usually needs more justification than withholding goods.
Gist of Idea
The right of non-interference (with a 'negative duty'), and the right to goods/services ('positive')
Source
Philippa Foot (Killing and Letting Die [1985], p.82)
Book Reference
Foot,Philippa: 'Moral Dilemmas' [OUP 2002], p.82
A Reaction
This invites the question of which is the stronger, and whether paternalism can overrule non-interference, or an expectation of self-sufficiency overrule the positive rights.