| Some definitions of interest. |
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eval_factorization | Def  {a..b }(f) == i:{a..b }. i f(i) |
| | Thm* a,b: , f:({a..b }  ).  {a..b }(f)  |
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iff | Def P  Q == (P  Q) & (P  Q) |
| | Thm* A,B:Prop. (A  B) Prop |
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int_seg | Def {i..j } == {k: | i k < j } |
| | Thm* m,n: . {m..n } Type |
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int_upper | Def {i...} == {j: | i j } |
| | Thm* n: . {n...} Type |
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nat | Def == {i: | 0 i } |
| | Thm* Type |