Def {i..j} == {k:| i  k < j }

is mentioned by

Thm* T:Type, i:, j:{i...}, a:[T]Array{i..j}, m:{i..j}, n:{m..j}. Thm* a[m..n]  [T]Array{m..n}	[array_seg_wf]
Thm* T:Type, a:[T]Array , i:{a.l..a.u}. a[i]  T	[array_el_wf]
Thm* T:Type, i:, j:{i...}, a:[T]Array{i..j}, k:{i..j}. a[k]  T	[array_el_wfp]
Def [T]Array  == n:m:{n...}{n..m}T	[array]

In prior sections: int 1

Try larger context: StandardLIB IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html