i:
(k-1). f(i)
f(i+1)
} == {k:
| i k < j }m,n:. {m..n} 
Type j < k == ij & j < kB == 
B < Ai,j:. (ij) PropA == A 
FalseA:Prop. (A) Prop| Who Cites nondecreasing? | |
| nondecreasing | Def nondecreasing(f;k) == i:(k-1). f(i)f(i+1) |
| int_seg | Def {i..j} == {k:| i k < j } |
| Thm* m,n:. {m..n} Type | |
| lelt | Def i j < k == ij & j < k |
| le | Def AB == B < A |
| Thm* i,j:. (ij) Prop | |
| not | Def A == A False |
| Thm* A:Prop. (A) Prop |
| Syntax: | nondecreasing(f;k) | has structure: | nondecreasing(f; k) |
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