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At:
mul via intseg split mid2 is_assoc_sep(; (x,y. xy))
By:
Analyze THEN Reduce Concl
Generated subgoal:
1
1. x : y@0,y:. xy@0y = xy@0y
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IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
is_assoc_sep(
; (
x,y. x
y))
y@0,y:
