The present invention addresses at least the problem of the matter of a discussion becoming personal and the problem of the difficulty in evaluating a proposal, among the three problems of the matter of a discussion becoming personal, the difficulty in maintaining a healthy framework of a discussion, and the difficulty in evaluating a proposal, when a proposal-based discussion is carried out online. In the present invention a proposal evaluation device 5, which communicates with client terminals 1A and 1B via a communication network 3 and authenticates the user of each client terminal, is provided with a proposal assistance means 500 and an evaluation assistance means 520. The proposal assistance means 500 prompts an authenticated user to submit a well-formed proposal that includes, as constituent elements, a belief or a fact, a policy, and a relationship between the belief or fact and the policy. The evaluation assistance means 520 prompts an authenticated user to vote for the purpose of evaluating each constituent element of a well-formed proposal that has been submitted.
PROPOSAL EVALUATION SYSTEM, PROPOSAL EVALUATION DEVICE, AND PROPOSAL EVALUATION METHOD