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o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o~~~~~~~~~o

It will be necessary to do a little bit of background reading.
For ease of study, I'll break up long paragraphs as I see fit.

| Still it may be well to consider the matter a little further.
| Imagine, then, a particular case under Boole's calculus, in
| which the letters are no longer terms of first intention,
| but terms of second intention, and 