Nuprl - Proof: eq rat refl 1 1 1 1

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At: eq rat refl 1 1 1 1

1. x1 :

2. x2 :

<x1,x2>.num

<x1,x2>.den = <x1,x2>.num

<x1,x2>.den

By:	Fold `qnum` 0

Generated subgoal:

1 x1/x2.numx1/x2.den = x1/x2.numx1/x2.den
2 steps

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