law of contract -- Consensus -- Contractual capacity -- Legality, possibility of performance and

! -- Objectivity, Values, and the Possibility of a Social Science -- Ideal of Value Freedom -- United States Census

. Consensus -- 5. Contractual capacity -- 6. Legality and physical possibility of performance -- 7

Floyd -- Possibility and certainty / Jacques du Plessis. pt. 4. Content and operation of a contract

-- Certainty of terms of contract -- Reality of consent -- Possibility of performance -- Common contractual