:: deftheorem defines STC0IIStr WALLACE1:def 1 :
for x1, x2, x3, x5, x6, x7 being set holds STC0IIStr (x1,x2,x3,x5,x6,x7) = (BitGFA0Str (x1,x2,x3)) +* (BitGFA0Str (x5,x6,x7));