1) Concept in logic 
Trivialism ({etymology|la|trivialis|found everywhere}) is the logical theory that all statements (also known as propositions) are true and that all contradictions of the form `p and not p` (e.g. the ball is red and not red) are true. In accordance to this, a trivialist is a person who believes everything is true. In classical logic, trivialism i.....
• (n.) A trivial matter or method; a triviality.