1. The Origin of Trialism of Human Settlement, Inhabitation, and Travel Environment

Human settlement, inhabitation, and travel environment studies, as the new discipline concept, is derived from “human settlement, inhabitation, and travel environment” and “ecological and environmental sciences”. Based on the philosophy of trialism, human settlement, inhabitation, and travel environment theory is divided into three elements as human settlement, inhabitation, and travel background, activity, and construction. “Background element” is composed of three elements as resource, environment, and ecology. “Activity element” is composed of three elements as activity behavior, psychological perception, and cultural heritage, taking the objects of 3 basic activities in human settlement, inhabitation, and travel environment as gathering, residence, and work to research how to fulfill the basic needs for human daily life. “Construction element” is composed of three elements as time, space, and space unit, which can be explained as follows. As a new view of philosophy, trialistic methodology objectively reveals the inherit law of presence and development in nature and has been proved by modern empirical natural science. To recognize and analyze the diversity and complexity of objects in trialistic view and to seek for the third elements in antagonistic dualism concept should be an effective method to solve many difficulties in natural, social, and humanity science.