0 that has not been solved: --
an unsolved mystery
The detective has spent seven years investigating the unsolved crime.
Sadly, it remains a fact that the nature of the pathologic mechanisms is still unsolved.
Statistics of criminal cases that remained unsolved were used as proof of this argument.
There are still many unsolved problems concerning these ideas, among them the following.
The main unsolved question remained that of the complete recognition of private property.
The unsolved problem here is to explain exceptions such as cog (always with the lax vowel) and dog (always with the tense vowel).
Although technologies are now available, the quest for a reduction of this burden remains unsolved.
While covering similar ground, the books are complementary in providing different perspectives on one of science's greatest unsolved mysteries.
In the majority of these cases the program will find the explicit form of the conservation law, otherwise it will return unsolved equations.
