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If species were fixed and distinct from one another, there would be no problem, but evolutionary processes cause species to change. This obliges taxonomists...

The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal...

and topped the 2023 year-end chart. Wallen's fourth studio album I'm the Problem was released on May 16, 2025. It peaked atop the Billboard 200 for two...

Problem gambling, ludopathy, or ludomania is repetitive gambling behavior despite harm and negative consequences. Problem gambling may be diagnosed as...

mathematically rigorous instructions, typically used to solve a class of specific problems or to perform a computation. Algorithms are used as specifications for...

The term year 2000 problem, or simply Y2K, refers to potential computer errors related to the formatting and storage of calendar data for dates in and...

problem in computer science If the solution to a problem is easy to check for correctness, must the problem be easy to solve? More unsolved problems in...

Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from...

The year 2038 problem (also known as Y2038, Y2K38, Y2K38 superbug or the Epochalypse) is a time computing problem that leaves some computer systems unable...

In probability theory, the birthday problem asks for the probability that, in a set of n randomly chosen people, at least two will share the same birthday...

recognizing the problem. Compulsive gamblers often deny they have a problem or need treatment. The most common and successful treatment plans for problem gamblers...

the darkness during the morning due to late sunrises. Some clock-shift problems could be avoided by adjusting clocks continuously or at least more gradually—for...

The problem of evil is the philosophical question of how to reconcile the existence of evil and suffering with an omnipotent, omnibenevolent, and omniscient...

set must be found. They can include constrained problems and multimodal problems. An optimization problem can be represented in the following way: Given:...

computational problems according to their resource usage, and explores the relationships between these classifications. A computational problem is a task...

A social issue is a problem that affects many people within a society. It is a group of common problems in present-day society that many people strive...

No true Scotsman or appeal to purity is an informal fallacy in which one modifies a prior claim in response to a counterexample by asserting the counterexample...

largest (or smallest) value if such a point exists. Linear programs are problems that can be expressed in standard form as: Find a vector x that maximizes...

question of the precise nature of their literary relationship—the synoptic problem—has been a topic of debate for centuries and has been described as "the...

have to be independent of the problem size, but an upper bound for the running time has to be independent of the problem size. For example, the task "exchange...