| fundamental(noun, regulation, part, rule) |
| principle(noun, rule, standard, foundation) |
| theorem(noun, regulation, rule, explanation) |
| axiom(noun, regulation, rule, standard) |
| maxim(noun, regulation, rule, standard) |
| rule(noun, regulation, standard, foundation) |
| canon(noun, regulation, rule, standard) |
| form(noun, rule, notion, fundamental) |
| formula(noun, regulation, rule, standard) |
| golden rule(noun, expression, rule, notion) |
| postulate(noun, regulation, rule, standard) |
| proposition(noun, regulation, rule, standard) |
| regulation(noun, rule, standard, notion) |
| truth(noun, regulation, rule, standard) |
| assumption(noun, regulation, rule, standard) |
| basis(noun, rule, foundation, basic) |
| component(noun, foundation, basic, stipulation) |
| criterion(noun, regulation, rule, standard) |
| doctrine(noun, rule, notion, fundamental) |
| element(noun, foundation, basic, fundamental) |