requirements for validity of contracts -- Legality -- Contents of a contract -- Parties to a contract -- Breach

written contracts -- Co-parties -- Performance -- Miscellaneous provisions -- Cession, variation and

terms of the contract -- 6. Parties to the contract -- 7. Misrepresentation and fraud -- 8. Duress and

formation of the contract and negotiations between contracting parties -- 5. Pacta de contrahendo -- options