Nuprl - Proof: prev nat pair wf 1 1

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At: prev nat pair wf 1 1

1. x :

2. y :

<x,y> = <0,0>
4. x = 0

y-1

By:	y = 0 Asserted

Generated subgoal:

1 y = 0
2 steps

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