publicae198,210religipsae198ruinosa162-163sacrae198sanctae198Responsibility at one's peril167Right, idea of65natural and conventional15,25-26,31Rights,in personam146in rem147Roman conception of end of law77-78jurisconsults30,43Roman law26,36,41,45,105-106,145,151,155,170,173-174,195,199,200,225,228,245-250,254,275as basis of medieval law40as basis of law in XVII and XVIII centuries41contribution of to legal philosophy36Rousseau214Rules115-116adapted to commercial transactions141adapted to property141and discretion141-143application of142as guides121mechanical application of142-143Rylands v. Fletcher168,182-186Sabinians196Sale249Satisfaction of wants, as an ideal98-99Savigny, F. C. von213Scholastic philosophy36permanent contribution of38Seals240,271,275contract under seal255Security of transactions193,237Seisin225Self help73Seller's talk280Separation of powers102-103,107Set off250Social contract204Social control99,225Social engineering99Social ideal56as a measure of values98Social interdependence232as a measure of values98Social interests99in peace and order148in security of transactions237Social laws54-55Social order, feudal79-80idealized form of the35static85Social sciences, unification of91Social status quo, as end of law35-36Social utilitarianism92-98Socialists209Society, Greek conception of79jural postulates of civilized169-179kin-organized73-74medieval conception of79Sociology94Sophrosyne77Sovereignty, Byzantine theory of40Specification195Specific performance131-132,238-240Spencer, Herbert84,97,201,265his law of equal freedom219his theory of property219-221Spirit and letter154Standards, legal51,114,116-120,129,141Stare decisis140Status to contract266Statute of Frauds282Statute of Uses277Stipulation246of counsel273,274Stoics197Strict law33,101,112-113,153,155,165,280Substance, interests of139,225Super constitution15,51Symbols248Teleology, legal92Theories of law, elements in70-71Third-party beneficiaries273Title, by creation195by discovery195by occupation196,211"natural"195"Tort of negligence"105Torts283development of liability for164-167generalization of liability for167law of117,167nominate164,165,170,175,283Traditio249Trust, constructive173gratuitous declaration of272,274Twelve Tables249Unjust enrichment173,187Utilitarians267,268Utility53Value, criteria of89,95-99Vrihaspati243Waiver272,274Wants, as juristic starting point89-90limitations on satisfaction of97-98satisfaction of89-90Warranties174,249Whale fishing195Will, as basis of liability157,169as basis of obligation250as juristic starting point84,89Will theory189of contract264-265Williston, S.282Wills, harmonizing of84,90,92-93Workman's compensation167