自指是這中間關鍵的問題。Quine 用了很聰明的方法試著繞過這類問題
https://en.wikipedia.org/wiki/Quine%27s_paradox
這個方法卻成了Gödel 證明中的最後一擊:)
有興趣的可以試一下:
"yields falsehood when preceded by its quotation"
yields falsehood when preceded by its quotation.
自指是這中間關鍵的問題。Quine 用了很聰明的方法試著繞過這類問題
https://en.wikipedia.org/wiki/Quine%27s_paradox
這個方法卻成了Gödel 證明中的最後一擊:)
有興趣的可以試一下:
"yields falsehood when preceded by its quotation"
yields falsehood when preceded by its quotation.