zhèng​fǎn​hé

thesis-antithesis-synthesis

正反合 zhèng​fǎn​hé
thesis-antithesis-synthesis
The three stages of the Hegelian dialectic representing the development of thoughts and events; it involves the emergence of a phenomenon (thesis), the reaction of an opposing phenomenon (antithesis), and the resolution of these contradictions into a new unified whole (synthesis).