Eg. time (particularly passing-time), consciousness (particularly qualia). If you want to know what the potentially non-mathematical features are, look at how people argue against physicalism.
I don’t get why these wouldn’t be mathematizable.
Formally, some formal systems can fail to describe themselves.
Sure, but for every formal system, there’s some formal system that describes it (right?)
I don’t get why these wouldn’t be mathematizable.
Sure, but for every formal system, there’s some formal system that describes it (right?)
But they haven’t been mathematized.
Seems to me that time has been satisfactorily mathematized.
Only if you don’t mind it working like space.