List
n:.
k-1
n
(G:({s:(n List)| ||s|| = k 
& (x,y:||s||. x < y s[x] < s[y]) }
||L||).
c:||L||, f:(L[c]n).
increasing(f;L[c])
& (s:L[c] List. ||s|| = k (x,y:||s||. x < y s[x] < s[y]) G(map(f;s)) = c))
(k-1) List
x,y:||s||. x < y s[x] < s[y]
Inj(k; (k-1); 
x.s[x])
k,m:, f:(km). increasing(f;k) Inj(k; m; f)
None
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