| | Some definitions of interest. |
|
| eval_factorization | Def  {a..b }(f) == i:{a..b }. i f(i) |
| | | Thm* a,b: , f:({a..b }  ).  {a..b }(f)  |
|
| int_seg | Def {i..j } == {k: | i k < j } |
| | | Thm* m,n: . {m..n } Type |
|
| int_upper | Def {i...} == {j: | i j } |
| | | Thm* n: . {n...} Type |
|
| nat | Def == {i: | 0 i } |
| | | Thm* Type |
|
| le | Def A B == B<A |
| | | Thm* i,j: . (i j) Prop |
|
| not | Def A == A  False |
| | | Thm* A:Prop. ( A) Prop |