> addvertex(`T12.5`,theory);

[Maple Math]

> addedge([AAA,`T12.5`],theory);

[Maple Math]

> addedge([PS,`T12.5`],theory);

[Maple Math]

> addedge([RA,`T12.5`],theory);

[Maple Math]

> addedge([SAS,`T12.5`],theory);

[Maple Math]

> addedge([T8,`T12.5`],theory);

[Maple Math]

> partition:=[[I1,I2,RA,PS,Pra,AAA,SAS],[T1,T2,T3,`T6.5`,T5,T6,T8,`T8.5`,`T12.5`],[T4,T7,T9],[T10,T11],[T12]];

[Maple Math]
[Maple Math]