Relações - Matemática Discreta

q5.py

R = [(1,2), (2,1), (1,1), (2,3), (3,3)]
A = [1, 2, 3]

def reflexiva(R, A):
  for x in A:
    if (x, x) not in R:
      return False
  return True

def simetrica(R):
  for (a, b) in R:
    if (b, a) not in R:
      return False
  return True

"""
def transitiva(R):
  for (a, b) in R:
    for (c, d) in R:
"""

print("Reflexiva:", reflexiva(R,A))
print("Simetrica:", simetrica(R))