A basic, foundational proposition or assumption that cannot be deduced from any other proposition or assumption.
First-principle Sentence Examples
Every First Principle of the mind is a starting-point too.
You cannot prove any first principle.
Slowly he restored the national prestige, for he asserted loyalty to France as the first principle of policy and brought about the Anglo-Russian agreement in Persia of Aug.
The first principle to which he looked for national salvation was, that the"duties of governors are strictly and peculiarly religious, and that legislatures, like individuals, are bound to carry throughout their acts the spirit of the high truths they have acknowledged."