 (The numbers above in square brackets refer to the paragraph numbers of the passages containing the relevant sentences in Bronkhorst and Ramseier (eds) 1994.) Again, like Dignāga, Praśastapāda appeals to the same three conditions to define a proper reason as those used in the three forms of a reason. And finally, he identifies and classifies specious reasons in terms of the failure of a reason to satisfy one or other of the three forms.