+A **first principle** is a foundational proposition or assumption that cannot be deduced from any other proposition or assumption. It represents a basic, irreducible truth upon which further [reasoning](/wiki/reasoning) and [logic](/wiki/logic) are built, encouraging a ground-up approach to understanding.
+## See also
+- [Axiom](/wiki/axiom)
+- [Deduction](/wiki/deduction)
+- [Truth](/wiki/truth)
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