<mathematics> A collection of all the objects isomorphic to a given object. Talking about the isomorphism class (of a poset, say) ensures that we will only consider its properties as a poset, and will not consider other incidental properties it happens to have.
(1995-03-25)
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Nearby terms: isometry « isomorphic « isomorphism « isomorphism class » ISO Pascal » ISO seven layer model » ISP
