Sorry about that. I should have remembered that I was using what is mostly a philosophical term of art. The concept that JonathanLivengood explains is the one I’m referring to. Indexical statements/beliefs are also known as “centered worlds” (i.e. world-observer pairs as opposed to mere worlds), “attitudes de se”, or “self-locating beliefs”.
Sorry about that. I should have remembered that I was using what is mostly a philosophical term of art. The concept that JonathanLivengood explains is the one I’m referring to. Indexical statements/beliefs are also known as “centered worlds” (i.e. world-observer pairs as opposed to mere worlds), “attitudes de se”, or “self-locating beliefs”.