自じ明めいの理り

expression, noun

self-evident truth; obvious fact; truism; axiom

A formal or logical expression for something so clear it needs no proof. Often used in philosophical, mathematical, or argumentative contexts.

• すべての人ひとは平びょう等どうに生うまれているというのは自じ明めいの理りだ。

  It is a self-evident truth that all people are born equal.

• 数すう学がくでは、いくつかの自じ明めいの理りから定てい理りを導みちびき出だす。

  In mathematics, theorems are derived from a few axioms.