The 7 principles of cooperative negotiation presented in the document are interests, options, alternatives, criteria, communication, relationship, and commitments. The document discusses preparing for negotiation by identifying interests, brainstorming options, knowing your best alternative to a negotiated agreement, establishing objective criteria, practicing good communication skills, considering the negotiation relationship, and getting clear commitments. It emphasizes separating people from problems, focusing on interests over positions, inventing options for mutual gain, and using an interest-based cooperative approach to negotiation.