Alright, thank you very much for your detailed answer!
First of all, the 'up-to' seems to be a helpful addition. This also makes it reasonable to me why 3. holds.
For 2. I guess I got it indeed wrong and thought that since we do not use context for interpretation, no knowledge like "Joe Biden"
"human" would be given. Now, I see the meta-level difference to the pragmatic level!
For 2. I guess I got it indeed wrong and thought that since we do not use context for interpretation, no knowledge like "Joe Biden"
![\mapsto \mapsto](https://moodlearchive.epfl.ch/2023-2024/filter/tex/pix.php/64694d71640004d29f8cb99a483a288a.gif)
Best,
Philipp