The syllogism that says "Comics are sequential art, Trajan's column is sequential art, therefore Trajan's column is comics" is such a glaring fallacy that I'm surprised it's gotten this far.
If you want to build a recursively self-improving AI, have it go through a billion sequential self-modifications, become vastly smarter than you, and not die, you've got to work to a pretty precise standard.eliezer yudkowsky
All habits are geared towards the linear, the sequential, but memory refuses such orderliness.Penelope (Margaret) Lively
As long as we believe in sequential time, we see becoming, instead of being. Beyond time, we're all one.Richard Bach
I don't think that we should seek to define comics on a formal basis. I think that some of the best comics do not involve "sequential images" which is the basis of every formal definition of comics.