:: deftheorem defines STC0IICirc WALLACE1:def 2 :
for x1, x2, x3, x5, x6, x7 being set holds STC0IICirc (x1,x2,x3,x5,x6,x7) = (BitGFA0Circ (x1,x2,x3)) +* (BitGFA0Circ (x5,x6,x7));