56 



pitcher: interrelations of 



(7) + - - 



(8) - + - 

 (9) 





m - (1,0), (1,1). 



m - (1, 0). 



50? - (i i), ih 0). 



48c. -L-C D A, 9 examples (§23allio, 17), 4 on '>;^^ (§41.7, 14), 

 9 on ^]?"^— 



A A'l A'2 ^12* ; A'l, A'j, 



48e. -LCZ)-A, 9 examples (§23alli2, 17), 4 on ^V (§41.7, 14), 

 9 on "ip'i^.— 



A A, A, A,2, ; A,, Ajt 



(1) + + + +;+ + : 



(2) - + + +;+ + : 



(3) +- + -;- + : 



(4) -- + -;- + : 



(5) - + + -;--: 



* The symbol («) means for all n. 



