The same exact property, in the same exact location, with the same exact numbers, might be something that we can fund today, but would pass on next week. (glassridge.com)
On top of atomic guarantees, coverability defines the exact properties that version - dependent objects (such as files) must possess in a highly concurrent environment. (sciencedaily.com)
However, usually there's no clue what the precise causal variant is and what its exact properties are. (tllab.org)