ll about content -- the meaning of the logical constants --
    that the above is valid.  Logic doesn't
    assign any fixed meaning to sentence variables and the like because
    they are not the objects whose meanings are at issue.  Again, I would
    recommend that you actually study some logic before you continue your theorizing.

SR: The decision to totally separate the methods of binding a symbol with
    its referent from the methods of inference *is* the issue I have raised.
    This decision to iso