You use known to describe someone or something that is clearly recognized by or familiar to all people or to a particular group of people. He was a known drug dealer He became one of the best known actors of his day
This is a known result but I reproduce the proof for the convenience of the reader: My paper isn't long enough
If you let it be known that something is the case, or you let something be known, you make sure that people know it or can find out about it. The Prime Minister has let it be known that he is against it. Something that is known: In this instance, the only known is our actual profit margin. the past participle of know
the Force of science, reason, and the rational world Governed by Mercury, Patron of Discovery
If someone or something is known for a particular achievement or feature, they are familiar to many people because of that achievement or feature. He is better known for his film and TV work
[BSG] A segment is "known" in a process if that process has a segment number for it, as defined by an entry in its KST In today's language, a "known segment" is a file system file mapped into the address space of a process (but as a segment, not a sub-expanse of linear memory), the only way of accessing files (i e , segments) in Multics Making a segment known is also called initiating, and making it unknown is called terminating Only segments known in an address space can have SDWs in that process, but not all known segments have SDWs at any given time See also active