| categorical imperative(noun, expression, utilitarianism) |
| principle(noun, rule, belief, standard) |
| axiom(noun, rule, notion, fundamental) |
| canon(noun, rule, notion, fundamental) |
| form(noun, rule, notion, fundamental) |
| formula(noun, rule, notion, fundamental) |
| maxim(noun, rule, notion, fundamental) |
| postulate(noun, rule, notion, fundamental) |
| principium(noun, rule, notion, fundamental) |
| proposition(noun, rule, notion, fundamental) |
| regulation(noun, rule, notion, fundamental) |
| rule(noun, notion, fundamental, theory) |
| theorem(noun, rule, notion, fundamental) |
| truth(noun, rule, notion, fundamental) |
| assumption(noun, rule, notion, fundamental) |
| basis(noun, rule, notion, fundamental) |
| criterion(noun, rule, notion, fundamental) |
| doctrine(noun, rule, notion, fundamental) |
| dogma(noun, rule, notion, fundamental) |
| ethic(noun, rule, notion, fundamental) |