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semigroup_cancellative (316B)

      1 # Semigroup cancellative
      2 
      3 https://en.wikipedia.org/wiki/Cancellative_semigroup
      4 
      5 Only cancellative semigroups can embed into [groups], cf:
      6 https://en.wikipedia.org/wiki/Cancellative_semigroup#Embeddability_in_groups
      7 
      8 Up: [semigroup]
      9 
     10 Aliases: cancellative semigroup, cancellative semigroups
     11 
     12 See also: [cancellation]