Full Idea
The negation of any meaningful sentence must itself be meaningful.
Gist of Idea
The negation of a meaningful sentence must itself be meaningful
Source
Roy Sorensen (Vagueness and Contradiction [2001], 8.1)
Book Reference
Sorensen,Roy: 'Vagueness and Contradiction' [OUP 2004], p.125
A Reaction
Nice. Compare 'there is another prime number beyond the highest one we have found' with its negation. The first seems verifiable in principle, but the second one doesn't. So the verificationist must deny Sorensen's idea?