Suleyman acknowledges that consciousness as a concept is ill defined and tautological.
Few concepts are as elusive and seemingly circular as the idea of a subjective experience.
I don’t think the quote from the article supports your claim here. “Elusive” does not mean “ill-defined”, and “seemingly circular” does not mean “tautological”.
I don’t think the quote from the article supports your claim here. “Elusive” does not mean “ill-defined”, and “seemingly circular” does not mean “tautological”.