It is the ability to state results like this that makes the generalisation to relations both necessary and fruitful.
This indication is both correct and potentially fruitful, since it shows where to collect and explore the details of the experience and maturation.
On the contrary, it makes such research far more fruitful.
Despite these criticisms, a kinematic-wave approach to the secondary instability may yet prove fruitful.
Unfortunately, several factors in this case precluded a more fruitful intervention at the late stage when we were consulted.
Moreover, many of the approaches adopted here are somewhat novel and appear fruitful; others should be made aware of them.
Such changes also produced a revolution in the images of geometrical knowledge and simultaneously triggered interesting and fruitful processes of reflexive thinking in mathematics.
Given the similarity of constructivist ambitions, there may be fruitful connections to exploit between these two programs.
