nk AtTime (T2, G) Another variant specifies only a relative time lag, not two absolute times. f(S,G,T) = cp(S) x c(S,G,T) v(S,G,T) AND NonEmpty SatisfyingSet r(S,G,T1,T2) TI > T2 - T Using evolutionary learning or hillclimbing to find schemata fulfilling these fitness functions, results in Schemallodes whos