Terms for subject Mathematics containing it is not to be

English	Russian
for deactivation not to occur before decomposition, it is necessary that the pressure be low	для того чтобы ... не
it is not difficult to show, however, that our result can be applied to any two points, no matter what the algebraic signs of their coordinates are	каковы бы ни
it is not to be supposed that	не следует считать, что