There are not only these identifyings going on, but also there are distinguishings. For just as in the example above there are identifications of the various extents, there are distinguishings of these extents.

The Cartesian product of two Riemannian Einstein metrics with the same constant Ricci scalar ρ is again Ricci-constant, and has Ric = ρ.

The dispute stems from Total awarding the contract to build a new desulphurisation unit at the Lindsey site to Italian company IREM.

The Garden Sperages[…]send out at first certaine greene spurts or buds peeping forth of the ground.