  Deduction
|          Induction
|          Abduction

Believe me, I tried to continue this usage as long as I could,
but finally had to give it up because I encountered too many
rather insistent authorities who insisted on using either one
or both of the words "proposition" and "statement" -- please
don't ask me why, but they do! -- to mean either one or all
of these things:  (1) the abstract, formal, logical object
that is denoted by the now-called "propositional expression"
or "sentence", or (2) the equi