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homomorphism_equivalence (419B)

      1 # Homomorphism equivalence
      2 
      3 A and B are homomorphically equivalent if there is a [homomorphism] from A to B and a [homomorphism] from B to A
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      5 It is an [equivalence_relation]: [transitivity] is because the [composition] of two [homomorphisms] is a [homomorphism]
      6 
      7 Up: [homomorphism], [equivalence]
      8 
      9 See also: [minimization_conjunctive_query], [bisimulation]
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     11 Aliases: homomorphic equivalence, homomorphically equivalent