Nuprl - Proof: RussellsParadox Frege2 1 1

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At: RussellsParadox Frege2 1 1

1. Set : Type
2. : Set

Set

Prop
3.

P:(Set

Prop).

p:Set.

x:Set. (x p)

P(x)
4.

p:Set.

x:Set. (x p)

(x x)

False

By:

Analyze4

Generated subgoal:

1 4. p : Set
5. x:Set. (x p) (x x)
False
3 steps

About:

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