al reasoning, and by mathematical
| reasoning that, I aver, will support criticism of Weierstrassian
| severity, and that is perfectly evident.  The word &quot;formal&quot; in
| the definition is also defined.  (CSP, NEM 4, 54).
|
| Charles Sanders Peirce,
|'The New Elements of Mathematics',
| Four Volumes In Five Books,
| Edited by Carolyn Eisele,
| Mouton, The Hague, 1976.

HP: Simplifying:
    A brings B to correspond with C as A corresponds to C.
    So we can diagram it as a triangle:

|               