Nuprl - Proof: RussellsParadox Frege2 1 1 1 1

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At: RussellsParadox Frege2 1 1 1 1

1. Set : Type
2. : Set

Set

Prop
3.

P:(Set

Prop).

p:Set.

x:Set. (x p)

P(x)
4. p : Set
5. (p p)

(p p)

False

By:	Thm* (P P) Asserted

Generated subgoal:

1 6. P:Prop. (P P)
False
1 step

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