| Some definitions of interest. |
|
assert | Def b == if b True else False fi |
| | Thm* b:. b Prop |
|
boolsize | Def size(a)(p) == Msize(x.if p(x) 1 else 0 fi) |
| | Thm* a:. size(a) (a) |
|
int_seg | Def {i..j} == {k:| i k < j } |
| | Thm* m,n:. {m..n} Type |
|
nat | Def == {i:| 0i } |
| | Thm* Type |
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one_one_corr_2 | Def A ~ B == f:(AB), g:(BA). InvFuns(A;B;f;g) |
| | Thm* A,B:Type. (A ~ B) Prop |