Thread: describe algorithms determine a function from this finite set to another finite set i

Help me to do this exercise in discrete mathematics of Kenneth H.Rosen

describe algorithms determine a function from this finite set to another finite set is a light or not

Originally Posted by seit

Help me to do this exercise in discrete mathematics of Kenneth H.Rosen
describe algorithms determine a function from this finite set to another finite set is a light or not

Please tell us what "a light or not" could mean.
Or tell us where it appears in Rosen's text book.