He might mean by this that they are not a part of his formal logic of demonstratives; or he may wish to emphasize that one could accept the core of his theory of indexicals, including his distinction between character and content, while rejecting structured contents.
Eventually they grow frustrated and, as the shrill sound of Shostakovich gives way to spirited drumming, their stiff formal abstractions take on spry, demonstrative quality.
A logician should only be interested in so far as he is interested in material implementation of formal reasoning at all in demonstration because it leads him to what is true and certain, and in sophistry, because it may confuse him in the search for demonstrative truth.
As a consequence, Paul rewrites the preceding sentence in this form: '(What is) singular is this universal'Singularearestst hoc universale'), where the presence of the demonstrative 'this' changes the kind of predication from formal to identical.
It meets the requirements of formal logic, since it supplies the middle term of the syllogism, and hence is demonstrative.
He's not overly demonstrative.
Not boring sacks, demonstrative sacks.
But the friendship was not highly demonstrative.
Demonstrative pronouns represent the gender differences best.
My brother's not that demonstrative.
