Q == (P 
Q) & (P Q)
A,B:Prop. (A B) 
Prop
!A == {x:A| y:A. x = y }
} == {k:
| i 
k < j }m,n:. {m..n} Typef:(A
B), g:(BA). InvFuns(A;B;f;g)A,B:Type. (A ~ B) Prop| Some definitions of interest. | |
| iff | Q == (P Q) & (P Q) |
| A,B:Prop. (A B) Prop | |
| inhabited_uniquely | !A == {x:A| y:A. x = y } |
| int_seg | } == {k:| i k < j } |
| m,n:. {m..n} Type | |
| one_one_corr_2 | f:(AB), g:(BA). InvFuns(A;B;f;g) |
| A,B:Type. (A ~ B) Prop |
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