 A noteworthy property of the second figure is that as a result of Avicenna’s replacement of the Aristotelian assertoric with his own general absolute, there are, strictly speaking, no productive moods out of two absolute premises, due to their failure to convert as themselves (Street 2002). Avicenna, however, is committed to the productivity of the familiar four moods in the second figure when the absolute is taken in a qualified sense, according to which it converts as itself, namely when it is at least as strong as an Ld1-proposition (the same applies to second-figure XM moods). Avicenna consistently discusses this essential requirement in his logical works, often in conjunction with the claim that this qualified reading is the default sense of the e-proposition as well as being the one adopted in the sciences (Strobino forthcoming).