The basic premise - that phenomena involving change over time are properly described by differential equations - is unimpeachable.
In a world where wages are perfectly flexible the exchange rate does not matter and the case for a world currency is almost unimpeachable.
Creditors were convinced of the unimpeachable justice of their cause.
This phenomenon of 'transposition' is seen here as an attempt to invest scores with an unimpeachable political message.
His conclusion, that farming success was often strongly influenced by managerial choice rather than by ecological or technological constraints, seems unimpeachable.
It was an unwieldy hagiography, an official memorial that captured the patriotic sympathies of the time, yet was endowed with an air of unimpeachable biographical authority.
That wholly apolitical reputation, based in the late medieval tradition of the ' holy maid ', gave her almost unimpeachable legitimacy as a conduit for the divine voice.
War is best narrated, however, in the apocalyptic mode of the life and death struggle between unimpeachable good and implacable evil.
