Reedited on 12.11.2019 (I simply have corrected the misspelled word which, in an earlier version, was rechecked and then changed to its correct spelling: "ability". I apologize for the incorrect spelling or mistyped word that often would affect (or affects) its meaning (while reading, e.g., so I might be doing the work similar to a copy editor's revising of the text itself). Thank you for reading on.
