公こう知ちの事じ実じつ

expression, noun

common knowledge; public knowledge; well-known fact

A formal or written expression for something widely known and accepted as true. Often used in legal, journalistic, or explanatory contexts.

• 彼かれが辞じ任にんしたことは公こう知ちの事じ実じつだ。

  It is common knowledge that he resigned.

• その問もん題だいは公こう知ちの事じ実じつとして扱あつかわれている。

  The issue is treated as a well-known fact.