Operator Overload
I wanted to blog something on how to treat discourse about fiction in the framework of a general multi-dimensional semantics, but this turned out to work so well that the entry is growing rather long, and I won't finish it today. In the meantime, here is a nice example of multiple context-shifting operators, from this BBC story (via Asa Dotzler):
In this place, for a few hours each day, just after noon in the summer, there could be liquid water on the surface of Mars.