uld not detach this from more abductive, anticipatory,
    or hypothetical forms of concept formation.

2.  Instead of just the extensions and the intensions of concepts
    (I had not yet clued into comprehensions at that time), there
    was another sort of relation between data and concepts that
    I was forced to consider, on account of what many call the
    &quot;generative property&quot; of any non-trivial language, or what
    is just about the same thing, the circumstance that the
    language lea