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Single Idea 21694

[filed under theme 5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / d. Russell's paradox ]

Full Idea

With Russell's antinomy, ...each tie the trouble comes of taking a membership condition that itself talks in turn of membership and non-membership.

Gist of Idea

Membership conditions which involve membership and non-membership are paradoxical

Source

Willard Quine (The Ways of Paradox [1961], p.13)

Book Ref

Quine,Willard: 'Ways of Paradox and other essays' [Harvard 1976], p.13


A Reaction

Hence various stipulations to rule out vicious circles or referring to sets of the 'wrong type' are invoked to cure the problem. The big question is how strong to make the restrictions.


The 7 ideas with the same theme [problem with self-membership of a set]:

The class of classes which lack self-membership leads to a contradiction [Russell, by Grayling]
Russell's Paradox is a stripped-down version of Cantor's Paradox [Priest,G on Russell]
Russell's paradox means we cannot assume that every property is collectivizing [Potter on Russell]
A barber shaves only those who do not shave themselves. So does he shave himself? [Quine]
Membership conditions which involve membership and non-membership are paradoxical [Quine]
Can a Barber shave all and only those persons who do not shave themselves? [Jacquette]
Plural language can discuss without inconsistency things that are not members of themselves [Hossack]