(computing, slang) A problem that should be easily resolved.

Alternative form of measurement problem

A frustration or complaint only experienced by privileged individuals in wealthy countries. / {{quote-journal / For more quotations using this term, see Citations:first world problem.

(mathematics) The problem of predicting the motion of a group of celestial objects that interact with each other gravitationally.

(computing theory) A generalization of the shortest path problem to graphs that are only partially observable (i.e. the graph is revealed while it is being explored).

(philosophy) The problem, considered by Ludwig Wittgenstein (1889-1951) and other philosophers, of whether it is possible for a private language to exist.

Alternative form of chicken-or-egg question

(computing) An issue for computing and data storage situations in which time values are stored or calculated as a signed 32-bit integer, and this number is interpreted as the number of seconds since 00:00:00 UTC on 1 January 1970. Such implementations cannot encode times after 03:14:07 UTC on 19 January 2038

A mathematical problem in which a set of deliveries must be made along a set of available routes between fixed sources and destinations, within limited time periods, and with the possibility of changing vehicles during a trip.

A particularly complex or challenging problem or puzzle.