[silvester23]

What if I write an article titled

> Can any headline that ends in a question mark be answered by the word no?

[tommiegannert]

The original assertion is about headlines that are actually written, as headlines, in newspapers. It's possible to hypothesize many things, but until you show they're actually used, it's just a change of topic.

[stepbeek]

Hofstadter’s headline.

[euroderf]

What about Schrödinger's headline ? What if first you have to observe the article content ?

Perish the thought.