self-evident

self- +‎ evident

self-evident (not comparable)

1. Obviously true, and requiring no proof, argument or explanation
   • 1776, United States Declaration of Independence:

     We hold these truths to be self-evident, that all men are created equal...

   • 1999, Bertrand Russell, Charles R. Pigden, Russell on Ethics‎:

     Can we then find axioms as self-evident as those of Arithmetic, on which we can build as on a sure foundation, which could be shaken only by a scepticism which should attack the whole fabric of our knowledge?

• See also Thesaurus:obvious

• self-evidence