思维仅仅是真实自然的反映，观念正确与否，取决于它反映外部世界逻辑的程度。

The mind is only a mirror of nature, and thought is correct only to the extent that it mirrors the logic of the external world.

youdao

《墨经》是“世界最古名学之书”。其在中国和世界逻辑史上都占据着极其重要的地位。

Mohism played an important part in the history of logic both in China and around the world.

youdao

其二，形而上学认识论有两个基本信念：一是对客观世界逻辑本质和物质实体存在的确信，二是对心灵所具有的超验理性能力的确信。

Secondly, there were two basic faithes in metaphysics:one is the existence of objective world logic essential and material entity, two is the existence of the mind'trancendent reasonableness.

youdao

Maybe in this world, minds and bodies are identical, even though in other logically possible worlds the identity comes apart.

也许在这个世界,心灵和身体就是相同的,即使在其他逻辑世界中,不存在这种同一性

耶鲁公开课 - 死亡课程节选

But that doesn't show that it's really possible, logically possible to have a world in which my mind exists and my body doesn't."

但这并不表示那是真正可能的,在逻辑上可能有一个世界,其中我的心灵存在而身体不存在

耶鲁公开课 - 死亡课程节选

And for Problem Set 0, too, those of you might think Scratch kind of imploding since I was 6, well then we'll hand you some of these little logic boards which are a variety of real world sensors you can connect to your Mac or PC and push yourself a little further with interactions, with the real world.

对于习题集0也是如此,有些人可能认为从我6岁开始就不怎么用Scaratch了,那么我给你一些小的逻辑板,它们就是各种各样的真实世界的感应器,你可以用它们来连接到你的手机或电脑上去,和现实世界做进一步的互动。

哈佛公开课 - 计算机科学课程节选