IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
next nat pair vs prev nat pair21221 1. y1 : 2. y2 : 3. <y1,y2> = <0,0>
4. <y1,y2> = <0,0>
<y1,y2> {xy:()| xy = <0,0> }
By:
Analyze
Generated subgoals:
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About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
<y1,y2> = <0,0>
<y1,y2> 
{xy:(
