let n5, n4, n3, n2, n1 be Element of NAT ; for S being Gene-Set
for p1, p2 being Individual of S holds
( crossover p1,p2,0 ,0 ,0 ,0 ,n5 = crossover p1,p2,n5 & crossover p1,p2,0 ,0 ,0 ,n4,0 = crossover p1,p2,n4 & crossover p1,p2,0 ,0 ,n3,0 ,0 = crossover p1,p2,n3 & crossover p1,p2,0 ,n2,0 ,0 ,0 = crossover p1,p2,n2 & crossover p1,p2,n1,0 ,0 ,0 ,0 = crossover p1,p2,n1 )
let S be Gene-Set; for p1, p2 being Individual of S holds
( crossover p1,p2,0 ,0 ,0 ,0 ,n5 = crossover p1,p2,n5 & crossover p1,p2,0 ,0 ,0 ,n4,0 = crossover p1,p2,n4 & crossover p1,p2,0 ,0 ,n3,0 ,0 = crossover p1,p2,n3 & crossover p1,p2,0 ,n2,0 ,0 ,0 = crossover p1,p2,n2 & crossover p1,p2,n1,0 ,0 ,0 ,0 = crossover p1,p2,n1 )
let p1, p2 be Individual of S; ( crossover p1,p2,0 ,0 ,0 ,0 ,n5 = crossover p1,p2,n5 & crossover p1,p2,0 ,0 ,0 ,n4,0 = crossover p1,p2,n4 & crossover p1,p2,0 ,0 ,n3,0 ,0 = crossover p1,p2,n3 & crossover p1,p2,0 ,n2,0 ,0 ,0 = crossover p1,p2,n2 & crossover p1,p2,n1,0 ,0 ,0 ,0 = crossover p1,p2,n1 )
A1:
( crossover p1,p2,0 ,0 ,n3,0 ,0 = crossover (crossover p1,p2,0 ,0 ,n3,0 ),(crossover p1,p2,n3),0 & crossover p1,p2,0 ,n2,0 ,0 ,0 = crossover (crossover p1,p2,0 ,n2,0 ,0 ),(crossover p1,p2,n2),0 )
by Th31;
A2:
crossover p1,p2,n1,0 ,0 ,0 ,0 = crossover (crossover p1,p2,n1,0 ,0 ,0 ),(crossover p1,p2,n1),0
by Th31;
( crossover p1,p2,0 ,0 ,0 ,0 ,n5 = crossover p1,(crossover p2,p1,0 ,0 ,0 ,0 ),n5 & crossover p1,p2,0 ,0 ,0 ,n4,0 = crossover (crossover p1,p2,0 ,0 ,0 ,n4),(crossover p1,p2,n4),0 )
by Th31, Th32;
hence
( crossover p1,p2,0 ,0 ,0 ,0 ,n5 = crossover p1,p2,n5 & crossover p1,p2,0 ,0 ,0 ,n4,0 = crossover p1,p2,n4 & crossover p1,p2,0 ,0 ,n3,0 ,0 = crossover p1,p2,n3 & crossover p1,p2,0 ,n2,0 ,0 ,0 = crossover p1,p2,n2 & crossover p1,p2,n1,0 ,0 ,0 ,0 = crossover p1,p2,n1 )
by A1, A2, Th4, Th32; verum