28

• dominates(N1, N2)
• immediately_dominates(N1, N2)
• chama 29, para N1 = n e N2 = mountain:
• ok
• outra : falha
  
• dominates(N1, N3)
• immediately_dominates(N1, N2)
• chama 30, para N1 = n e N2 = N³⁰: N2 = mountain
  
• dominates(N2, N3)
• chama 31, para N2 = mountain e N3 = mountain: falha
  

Volta para 19