Absrtact
INTRODUCTION
1. THE PHILOSOPHICAL APORIA OF THE "FOURSEVENDEBATES" AND NEO-CONFUCIANISM
The theme and main actors involved in the debates
Issues arising from the debate between Yi Hwang and Ki Taesung
Issues arising from the debate between Yi Yi and Song Hon
2. PHILOSOPHICAL APORIA OF YUGIRON(唯氣論)
Ki's power of life(氣)
Ki'il punsu(氣一分殊)
CONCLUSION
REFERENCES