I have trouble with a question i need to use the function of Ackermann, I need to show that Ack(2,3) = 9.
A(2,3) A(1,A(2,2)) A(1,A(1,A(2,1))) A(1,A(1,A(1,A(2,0)))) A(1,A(1,A(1,A(1,1))))) A(1,A(1,A(1,A(0,A(1,0)))))) A(1,A(1,A(1,A(0,A(0,1)))))) A(1,A(1,A(1,A(0,2)))) A(1,A(1,A(1,3))) A(1,A(1,A(0,A(1,2))) A(1,A(1,A(0,A(0,A(1,1))))) A(1,A(1,A(0,A(0,A(0,A(1,0)))))) A(1,A(1,A(0,A(0,A(0,A(0,1)))))) A(1,A(1,A(0,A(0,A(0,2))))) A(1,A(1,A(0,A(0,3)))) A(1,A(1,A(0,4))) A(1,A(1,4)) A(1,A(0,A(1,3))) A(1,A(0,A(0,A(1,2)))) A(1,A(0,A(0,A(0,A(1,1))))) A(1,A(0,A(0,A(0,A(0,A(1,0)))))) A(1,A(0,A(0,A(0,A(0,A(0,1)))))) A(1,A(0,A(0,A(0,A(0,2))))) A(1,A(0,A(0,A(0,3)))) A(1,A(0,A(0,4))) A(1,A(0,5)) A(1,6) A(0,A(1,5)) A(0,A(0,A(1,4))) A(0,A(0,A(0,A(1,3)))) A(0,A(0,A(0,A(0,A(1,2))))) A(0,A(0,A(0,A(0,A(0,A(1,1)))))) A(0,A(0,A(0,A(0,A(0,A(0,A(1,0))))))) A(0,A(0,A(0,A(0,A(0,A(0,A(0,1))))))) A(0,A(0,A(0,A(0,A(0,A(0,2)))))) A(0,A(0,A(0,A(0,A(0,3))))) A(0,A(0,A(0,A(0,4)))) A(0,A(0,A(0,5))) A(0,A(0,6)) A(0,7) A=8
Where did I go wrong? If anyone could find my mistake i'd be thankful for your help!
Thanks!