array 1 Sections StandardLIB Doc
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Def x:AB(x) == x:AB(x)

is mentioned by

Thm* T:Type, i:j:{i...}, k:{j...}, a:[T]Array{i..j}, b:[T]Array{j..k}.
Thm* a @ b  [T]Array{i..k}
[array_append_wf]
Thm* T:Type, i:j:{i...}, a:[T]Array{i..j}, m:.
Thm* a[++m [T]Array{i+m..j+m}
[array_shift_wf]
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]
Thm* i:j:{i...}, a:[T]Array{i..j}. a.l = i & a.u = j[p_array_properties]
Thm* T:Type{i}, i:j:{i...}. [T]Array{i..j Type{[i']}[p_array_wf]

In prior sections: core well fnd int 1

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array 1 Sections StandardLIB Doc