Empirical studies on Aristotle’s theses have been carried out by Pfeifer (2012), Pfeifer and Tulkki (2017), and Pfeifer and Yama (2017). In one experiment, presented in Pfeifer 2012, the sample consisted of 141 psychology students (110 females and 31 males) at the University of Salzburg, Austria. Both AT and AT′ were tested as abstract as well as concrete indicative conditionals. In a second experiment, 40 students without training in logic (20 females and 20 males) had to solve tasks involving