| fundamental(noun, law, regulation, part, rule) |
| law(noun, rule, behavior, standard, foundation) |
| principle(noun, law, rule, standard, foundation) |
| theorem(noun, law, regulation, rule, explanation) |
| axiom(noun, law, regulation, rule, standard) |
| maxim(noun, law, regulation, rule, standard) |
| rule(noun, law, regulation, standard, foundation) |
| tenet(noun, rule, notion, theory, stipulation) |
| canon(noun, law, regulation, rule, standard) |
| convention(noun, rule, notion, theory, tenet) |
| form(noun, law, rule, notion, fundamental) |
| formula(noun, law, regulation, rule, standard) |
| golden rule(noun, expression, law, rule, notion) |
| norm |
| postulate(noun, law, regulation, rule, standard) |
| proposition(noun, law, regulation, rule, standard) |
| regulation(noun, law, rule, standard, notion) |
| standard(noun, regulation, rule, notion, principle) |
| truth(noun, law, regulation, rule, standard) |
| assumption(noun, law, regulation, rule, standard) |