common knowledge

noun — 2 senses

common knowledge

noun
1

That which is known by most people, and thus cannot reasonably be contested.

  • A limited liability company is not subtle, Mrs Straithwaite. This one knows that you have insured a five-thousand-pound pearl necklace with it, and when it becomes a matter of common knowledge that you have had one answering to that description stolen, it jumps to the conclusion that they are one and the same.1914, Ernest Bramah, Max Carrados:
2

Computing, Engineering, Game theory, Human sciences, Logic, Mathematics, Natural sciences, Philosophy, Physical sciences, Sciences A special kind of knowledge for a group of agents, such that when all the agents in a group G know p, they all know that they know p, they all know that they all know that they know p, and so on ad infinitum.

Related terms
common sense, communis opinio, conventional wisdom, exotericism, general knowledge, idée reçue, received wisdom

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.