Ignoring various scopal possibilities of intelligent and ambiguity of young we can consider, given the property of freely increasable domain of quantification indicated above, that (4a) is logically equivalent to (4b), (4c), (4d) and 4e Furthermore, we observe that (4a), and as a matter of fact all sentences in (4), entail (5), which we consider for purposes of illustration, as grammatical: (5) This is intelligent This series of equivalences allows me to be mistaken as to the property by which I (partially) describe the object pointed at when using the specific noun phrase demonstrative.
it can happen that I am pointing at something which is a wild cat but not a young wild cat.