114

18

let us allow the lines of identity to branch. Thus

|-is a Stagirite
|-teaches- is a llaced onion
- conquers the world
|-is a disciple of - is a philosopher admired by church fathers
|-is an opponent of -
will mean that there id a stagirate who teaches a Macedonian conqueror of the world and who is at once a disciple and an opponent of a philosopher admired by fathers of the Church.
That is the substance of Convention No 7.
Look at the following
-dies
(the Bible errs
This means that, if it be true that there is something that dies then the Bible errs;-a manifestly false assertion.
Suppose - however, we extend the line of identity to the outer sep thus:
(-dies
the Bible errs)