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Nandani Asked a Question
October 26, 2021 11:03 pmpts 30 pts
  • IIT JAM
  • Mathematics (MA)

What is countable set

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  • Nandani
    ?
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  • Nandani thankyou
    how can a finite set countable if you said that one one and onto with N
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    Navdeep goyal 1
    finite set is countable no define mapping . mapping for infinite set
  • Navdeep goyal 1
    A non void set X is said to be countable if there is a mapping f:N to X such that f is one to one corresponds
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    Navdeep goyal 1
    if a mapping f N to X is one one onto then x is said to be countable
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