Item:Q11169: Difference between revisions
Created a new Item: family of isomeric compounds, set of several isomers (e.g. two cis/trans isomers, three ortho, meta, para isomers); such set have countable, usually a small number of elements |
Created claim: instance of (P2): third-order class (Q11) |
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Property / instance of | |||
Property / instance of: third-order class / rank | |||
Normal rank |