} == {k:
| i 
k < j }
m,n:. {m..n} 
Typex:A. g(f(x)) = x) & (y:B. f(g(y)) = y)f:(A
B), g:(BA). InvFuns(A;B;f;g) Prop
A == A 
FalseA:Prop. (A) Prop| Some definitions of interest. | |
| int_seg | } == {k:| i k < j } |
| m,n:. {m..n} Type | |
| inv_funs_2 | x:A. g(f(x)) = x) & (y:B. f(g(y)) = y) |
| f:(AB), g:(BA). InvFuns(A;B;f;g) Prop | |
| not | A == A False |
| A:Prop. (A) Prop |
About:
 |  |  |  |  |  |  |
 |  |  |  |  |  |