Nuprl - Proof: wellfounded functionality wrt iff 1

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At: wellfounded functionality wrt iff 1

1. T1 : Type
2. T2 : Type
3. r1 : T1

Prop
4. r2 : T2

Prop
5. T1 = T2
6.

x,y:T1. r1(x,y)

r2(x,y)

WellFnd{i}(T1;x,y.r1(x,y))

WellFnd{i}(T2;x,y.r2(x,y))

By:

Analyze 0

Generated subgoals:

1 WellFnd{i}(T1;x,y.r1(x,y)) WellFnd{i}(T2;x,y.r2(x,y))
3 steps

2 WellFnd{i}(T1;x,y.r1(x,y)) WellFnd{i}(T2;x,y.r2(x,y))
3 steps

About:

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1	WellFnd{i}(T1;x,y.r1(x,y)) WellFnd{i}(T2;x,y.r2(x,y))	3 steps
2	WellFnd{i}(T1;x,y.r1(x,y)) WellFnd{i}(T2;x,y.r2(x,y))	3 steps