Proof of parameterized dinaturality
Proposition (Parameterized dinaturality)
(for
f :
Z 
U(B)
U(A)
and
g :
X U(A)
Y U(B)
in C):
| = | ||
|
Tr(X Z) Y A
((idX
symmZ U(A));
(g
idZ);
(idY
(symmU(B) Z);
f)))
| = |
Tr(X Z) Y B
((idX
f);
g)
|
