A switching function is symmetric with respect to a set of literals if and only if the function remains unchanged after

all the literals are changed in anticlockwise order

two of these literals are interchanged

any permutation of the literals

all the literals are changed in anticlockwise order

all the literals are changed in clockwise order

A switching function is symmetric with respect to a set of literals if

1.	A switching function is symmetric with respect to a set of literals if and only if the function  remains unchanged after
A.	two of these literals are interchanged
B.	any permutation of the literals
C.	all the literals are changed in anticlockwise order
D.	all the literals are changed in clockwise order
Answer» C. all the literals are changed in anticlockwise order