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History here is not what one might expect.

— Commutative algebra with a view toward algebraic geometry by David Eisenbud (Page 240)

These homology groups agree with the homology groups agree with the homology groups of BG

— Intersections of Finitely Many Generated Subgroups of Free Groups and Resolutions of Graphs by S. M. Gersten (Page 4)

Is there an algebraic variety whose fundamental group is isomorphic to group G?

— Trees by Jean-Pierre Serre (Page 19)

It is hard—it’s a strange feeling and one she doesn’t want to go away. If she admits it, if she dwells upon it, it could be taken away in an instant. Better to keep the feeling to herself than to get her hopes up only for them to be ground into the bitter earth called life.

— Precipice by izzyb

Perhaps because this two definitions gave such different answers, there simultaneous use does not seem to cause confusion.

— Commutative algebra with a view toward algebraic geometry by David Eisenbud (Page 236)

… such that we do not have A and B for any i

— Trees by Jean-Pierre Serre (Page 14)