It is worthwhile drawing a distinction here between internal legitimacy and external legitimacy (Buchanan 2004).
Every reverse engineering approach must incorporate a little bit of both, but still it is worthwhile to make the distinction.
This is easier said than done, and it is probably worthwhile to make several distinctions.
They advocate a distinction between "a worthwhile life" and "a life not worth living" [ 65].
It is similarly worthwhile to explain here the distinction between, on the one hand, numerical skills, abilities, or processing, and on the other hand, mathematical skills, abilities, or processing.
Such distinctions make it worthwhile to keep revisiting war horses; by the same token the personalities artists like these reveal can spark life into works long forgotten.
Before proceeding, it will be worthwhile to make a few distinctions in order to focus the topics of subsequent discussion.
Curtis LeMay and Robert McNamara have publicly admitted as much.[16] And yet it is worthwhile noting, with Gary Bass, that there is a distinction between the circumstances under which a tribunal is created and how decently and fairly it operates.
Several advantages of the sampler in this regard are worthwhile pointing out: It can reveal detailed molecular distinctions between divergent subgroups from multiple perspectives.
The tedious distinction between random noise and unstable nonlinearity is worthwhile, because the former points to extrinsic origins of variability, whereas the latter indicates intrinsic origins.
