> addvertex(T9,theory);

[Maple Math]

> addedge([`T8.5`,T9],theory);

[Maple Math]

>

> partition:=[[I1,I2,RA,PS,Pra,AAA,SAS],[T1,T2,T3,`T6.5`,T5,T6,T8,`T8.5`],[T4,T7,T9]];

[Maple Math]