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B Equivalence Class Question

  1. May 28, 2017 #1



    Please refer to the video at 37:02 from the link above.

    I am struggling with the notation "=" of the property (a) which concludes to [a]=[m].
    shouldn't it be [a]⊆[m], just like [m]⊆M.
     
  2. jcsd
  3. May 28, 2017 #2

    fresh_42

    Staff: Mentor

    What does ##a \in [m]## mean? And what can be said about all elements ##b \sim a## if we use transitivity of ##\sim##?
    In retrun, what does it mean for all elements ##c \sim m##?
     
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