But Richard Ravitch, a former chairman of the transportation authority, testified that he was "dubious whether this process will produce any money for the M.T.A.'s current capital plan".
Islam will remain Islam, he worried, but it is "dubious" whether the West will remain true to itself and its mission.
Although Brentano himself considered this argument as fully conclusive, it is dubious whether he was right in this respect.
It is dubious whether this notion can be unpacked without referring to abstract objects (same inference patterns?), but in any event it cannot be used to pick out all tokens of a word, as we have been using the word 'word'word
For that reason it is dubious whether governments, or other institutions like the courts, can show forgiveness since their function is to do justice and promote the good according to the law rather than break the rules from an altruistic intention.
Furthermore, the reliability of the test is questionable because "it is dubious whether it reaches sufficiently clear conclusions".
Prior to experimentation, we were dubious whether this illusion could be elicited in amputees.
These mice however do not reflect the genotypes of human diseases and it is dubious whether they recapitulate the physiopathology of dementia.
This corresponds unambiguously to the morphological description of S. mordax, but since S. mordax was originally described from Fiji in the Pacific Ocean it is dubious whether this name may be assigned to species B. Species C gathered all individuals collected from locations in the Pacific Ocean.
Taking the square root of a number is an involved process, so it's dubious whether sqrt(Infinity*0) = sqrt -1) isqrt -1isal, even by either the Babylonian method or Newton-Rapractical
