If the soul is immaterial, doesn't it follow automatically, trivially, that the soul can't be destroyed by a material process?

如果灵魂是无形的,是否可以顺理成章地得出,灵魂无法被实体过程所摧毁呢

耶鲁公开课 - 死亡课程节选

Simmias doesn't merely assert boldly invisible things can be desytroyed.

西米亚斯并非冒失地提出,无形的东西可以毁灭。

耶鲁公开课 - 死亡课程节选