“…AI is certainly such a case, and there also have been studies on animal intelligence (Tomasello, 2000;Goldstein, Princiotta, and Naglieri, 2015), collective/group intelligence (Hofstadter, 1979;Leimeister, 2010), and alien/extraterrestrial intelligence (Regis, 1985;Cabrol, 2016). Though there are many controversies in each of these discussions, as far as we take such a discussion as meaningful, we have already accepted the usage of intelligence as a general concept with multiple special cases that can be different from each other here or there while still maintaining certain common nature (Bhatnagar et al, 2018).…”