Nuprl - Proof: inv image ind tp 1 1 1 1 1

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At: inv image ind tp 1 1 1 1 1

1. T : Type
2. r : T

Prop
3. S : Type
4. f : S

T
5. WellFnd{i}(T;x,y.r(x,y))
6. P : S

Prop
7.

j:S. (

k:S. r(f(k),f(j))

P(k))

P(j)
8. S

x:T, n:S. f(n) = x

P(n)

By:	p.(Thin (get_int_arg `i` p) THEN Analyze 0) p

Generated subgoals:

1 8. x : T
n:S. f(n) = x P(n)
22 steps

2 T Type
1 step

About:

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html