theorem Th11: :: MIDSP_3:11

for n being Nat
for RAS being non empty MidSp-like ReperAlgebraStr over n + 2
for m being Nat of n st RAS is_semi_additive_in m holds
for a, d being Point of RAS
for p, q being Tuple of (n + 1),RAS st q = p +* (m,d) holds
*' (a,(p +* (m,(a @ d)))) = a @ (*' (a,q))