41. A sufficient condition for transitivity is nonwandering : \ Omega ( f ) = M. 42. The sampling theorem provides only a sufficient condition for perfect reconstruction, not a necessary condition. 43. Taxonomies are a necessary but not sufficient condition for adequate evaluation of a given data set. 44. "It's necessary, but in and of itself, it's not a sufficient condition for foreign investment ." 45. Arguably, a large population is a necessary but not sufficient condition for global power and influence. 46. Under weak restrictions the Retkes criterion gave a new necessary and sufficient condition for the convergence. 47. Watson proved that the necessary and sufficient conditions for reliable transfer is to bound three timers. 48. "The question is : is it a necessary or a sufficient condition ? " said Bury. 49. Given the properties of a concept, these are necessary and sufficient conditions to classify the concept. 50. It may be undesirable if it does not provide sufficient conditions for the workers to be respected.
