Changes

Given two [[group]]s <math>G,G'</math>, a '''homomorphism''' from <math>G</math> to <math>G'</math> is a [[function]] <math>\phi : G \to G'\,</math> such that for all <math>a,b\in G</math>, <math>\phi (ab) = \phi (a) \phi (b) \,</math>

Given two [[Group (mathematics)|group]]s <math>G,G'</math>, a '''homomorphism''' from <math>G</math> to <math>G'</math> is a [[function]] <math>\phi : G \to G'\,</math> such that for all <math>a,b\in G</math>, <math>\phi (ab) = \phi (a) \phi (b) \,</math>

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