| Some definitions of interest. |
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complete_intseg_mset | Def complete_intseg_mset(a; b; f)(x) == if a  x < b f(x) else 0 fi |
| | Thm* a,b: , f:({a..b }  ). complete_intseg_mset(a; b; f)     |
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int_seg | Def {i..j } == {k: | i k < j } |
| | Thm* m,n: . {m..n } Type |
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lelt | Def i j < k == i j & j<k |
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lelt_int | Def i  j < k == (i j) (j< k) |
| | Thm* i,j,k: . i  j < k  |
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nat | Def == {i: | 0 i } |
| | Thm* Type |
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not | Def A == A  False |
| | Thm* A:Prop. ( A) Prop |