Section 3. Life and Death (Article 11, 12)

Article 11. Life
  Any group with two separate and secure eyes, or potential for this, is alive. If a group does not have two eyes but cannot be captured, it is deemed to be alive ( Figure 7 )

 

Figure 7
In A and B
Black's groups
are alive.
In C and D
the internal
groups are
alive.

 

 




Article 12. Bik (a local stalemate, seki in japanese)
  In a capturing race when neither group has two eyes, but cannot capture the other group, it is called Bik (a local stalemate) In this case no empty points are counted as territory (Figure8)


 

Figure 8
These
positions
are all Bik
(local
stalemates).