If 987,123,478,961,876,341,234,098,601,978,618 is the year in B.C.E. then the previous year is 987,123,478,961,876,341,234,098,601,978,619 B.C.E.
987,123,478,961,876,341,234,098,601,978,618 is the year in B.C.E.
Therefore, the previous year of 987,123,478,961,876,341,234,098,601,978,619 B.C.E.
If B.C.E. years are unable to start then A.D.E. years are unable to begin.
B.C.E. years are unable to start.
Thus, A.D.E. years are unable to begin.
If A.D.E. is endless in year then the years in A.D.E. don't cease.
A.D.E. is endless in year.
Therefore, the years in A.D.E. don't cease.