maxim, axiomization, principle, metaphysic, enthymeme, absolute, absolute idea, idea, hypostasis, pregiven, more...

exception, counter-example

self-evident axiom, empirical axiom, logical axiom, mathematical axiom, moral axiom, scientific axiom, metaphysical axiom, more...

old, fundamental, first, second, basic, general, third, political, parallel, single, mathematical

fundamental truth,   universal truth,   core belief,   something obvious,   simple truth,   undeniable truth,   assumed to be true,   states to be true,   a first principle,   proven fact