Are ideas mind independent, and if so what sort of ideas?
So did the idea I have of this table exist before I thought about the table? What about the idea of a warp drive or a mutriplot, a device that prevents spaceships from becoming stars whenever the speed of light is greater than infinity (that could be physically impossible: I just wanted an example of an invention that no-one has conceived of before).
Usually we think of physical things being mind independent.