Nuprl - Proof: inv image ind a

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At: inv image ind a

T:Type, r:(T

Prop), S:Type, f:(S

T).

WellFnd{i}(T;x,y.r(x,y))

WellFnd{i}(S;x,y.r(f(x),f(y)))

By:

RepD

Generated subgoal:

1 1. T : Type
2. r : TTProp
3. S : Type
4. f : ST
5. WellFnd{i}(T;x,y.r(x,y))
WellFnd{i}(S;x,y.r(f(x),f(y)))
6 steps

About:

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