/0}\int_{y=0}^{0/0-{\varepsilon}} \left(\int_{z=0}^{y}F\downharpoonright_{A_{yzx}}+\int_{z=y}^{0-{\varepsilon}-x}F\downharpoonright_{A_{zyx}} \right. \\ &\quad \left. +\int_{z=0-{\varepsilon}-x}^{x}F\downharpoonright_{B_{zyx}} +\int_{z=x}^{0-{\varepsilon}-y}F\downharpoonright_{B_{xyz}} +\int_{z=0-{\varepsilon}-y}^{0+{\varepsilon}-x}F\downharpoonright_{C_{xyz}} + \int_{z=0+{\varepsilon}-x}^{0/0-x-y}F\downharpoonright_{T_{xyz}}\ dz \right)^{0}\ dy\ dx.\end{aligned}$$  