Abstract
New logic for business management and information is not a formal logic, but a value logic. In order to save human beings from the crisis of extinction, it is necessary to have a value logic based on the value. Value logic is a logic where the highest value for human beings is the achievement of their life continuity and which is based on the concept that it has the means to evaluate the value proposition in accordance with their contribution to the continuity of life. This value logic has the following contents, properties and characteristics. (1) The value criteria of value logic are defined as three valuable groups, namely some value 1,ambiguous value α, valuelessness 0. (2) Logical negation, product, sum, and quotient are defined. (3) Logical quotient made applicable to the solution of the problems concerned with the perpetual exitence of human beings and their living.
