An isomorphism $f:G\to H$ between the algebraic structures $(G,\ast)$ and $(H,\cdot)$ is called an automorphism, if $G=H.$
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| created: 2020-06-27 12:08:38 | modified: 2020-06-27 12:20:23 | by: bookofproofs | references: [577]
[577] Knauer Ulrich: “Diskrete Strukturen - kurz gefasst”, Spektrum Akademischer Verlag, 2001
