theorem Th60: :: FVALUAT1:60
for n being Nat
for K being non empty non degenerated right_complementable distributive Abelian add-associative right_zeroed associative Field-like doubleLoopStr
for v being Valuation of K st K is having_valuation holds
for y being Element of (ValuatRing v) holds (power K) . (y,n) = (power (ValuatRing v)) . (y,n)