Fodor's own response to this kind of criticism is expressed bluntly in Concepts: "People sometimes used to say that exist must be ambiguous because look at the difference between 'chairs exist' and 'numbers exist'.
Practically, there exist many ambiguous vibrational modes in addition to the in-phase and out-of-phase modes.
The CIA's analysis was seldom double-checked; detection of dual-purpose materials, that might possibly be used in weapon programmes, was routinely taken as proof that such programmes existed; and ambiguous scraps of intelligence were compiled to reach an unambiguous conclusion, a process known as "layering".
I am proud to exist in an ambiguous, undecided state".
Like much of what Mr. Mason does, the album appears to exist in an ambiguous space between irony and sincerity.
Unlike the Gama'a, which is illegal, the Muslim brothers exist in an ambiguous political state described to me by one government official as "illegal but tolerated".
Although hundreds of concrete fracture tests exist, their evaluation is ambiguous because they have limited ranges of specimen size, initial notch depth and postpeak response, and refer to different concretes, different batches of concrete, different ages, different environmental conditions, different loading rates and test procedures, and different specimen types.
Both exist in an eternal, ambiguous middle.
