With regard to the first, whether the lines were really made on the occasion stated, or the occasion was invented (as I am inclined to suspect) to suit the lines, is perhaps not very material:
"Reply to Miss Charlotte Ness, who inquired the meaning
of the logical terms Abstract and Concrete.
"'Say what is Abstract, what Concrete?
Their difference define.'
'They both in one fair person meet,
And that, dear maid, is thine.'
'How so? The riddle pray undo.'
'I thus your wish express;
For when I lovely Charlotte view,