https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://repository.eafit.edu.co/bitstream/handle/10784/9652/taller_conjuntos_numericos.pdf%3Fsequence%3D2%26isAllowed%3Dy%23:~:text%3DLos%2520conjuntos%2520num%25C3%25A9ricos%2520utilizados%2520en,todas%2520las%2520ramas%2520del%2520conocimiento.&ved=2ahUKEwisx-L30JuKAxWg38kDHVdxMcwQFnoECBoQBg&usg=AOvVaw1wr5Aem2LsR_D2-rLVO6Z6
