Del Prof. Giuseppe Bianchi aii 



e =\(b,c)a — (a,c)b -i-{a,b)c ]a 



o *• ' i2 a a* o 



b - I 



c =[{b,c)a — {a,c)b -¥• {a,b)c^a 

 (34) ' ^ ^ ^ ° ■ 



li •■;■ - i 

 d :=\(b^c,d)a —[a^c^d)b -h{a,b.,d)c, — {a,b^c)d ]{a,b)a * 



o o 3 i> o o 



»r)ij'» 



(36) d =[{b^c^d)a — [a^c^d)b -^{aj}^d)c — (a^b^fi)d\[afi)a * 

 1 ^ 4 T" 4 *^ 



^ =[(è,c,J)a^— {a^c^d)b -i-{a,b,d)c — (tìSjè^c)^ ](a,,è)£i 



e =[{b3C,d,e)a — {a,c^dj,e)b -h {a,b.^d,e)c — {a,b,c,e)d 



'..'.• ■:''." '" -t-(a,b,c,d)e ]{a^b,c){a,b)*a 'i 



(36) , 4 



e =[[b.jC^d,e)a — [a.fi^d.,e)b -¥■ [a,b,d^é)c — {a^b^c.fi)d. 



I j 5 o ^ 



-\-{a^b^c^d)e \a^h ^c){a^by' a < 

 e finalmente 



/" =[(Z»,c,J,e,/)a — (a,c,J,e,/)^.H- [a,b,d,e,f)c —{a,b,c^e,f)d 



(37) -\-[a.b,c..d->f)e—[a,b,c.d,e)fXa,b,c,d){a,b,cY{a,bfa * 



55 o 



={a^b,c^d,e,f){a^b,C:,d){a,b,cY{a^bYa '=V. 

 Dalla quale, permutando gli / negli j, ricavasi 



