:: deftheorem Def2 defines Rotate FINSEQ_6:def 2 :
for D being non empty set
for f being FinSequence of D
for p being Element of D holds
( ( p in rng f implies Rotate (f,p) = (f :- p) ^ ((f -: p) /^ 1) ) & ( not p in rng f implies Rotate (f,p) = f ) );