On 4/11/2013 3:15 PM, WM wrote: > On 11 Apr., 22:04, Virgil <vir...@ligriv.com> wrote: > >>> I do not claim to prove this self-evident truth. >> >> Then why did you include a line labelled "Proof:"? > > Because this self-evident truth is a part of the proof. >
"Proof by reality"
The notion of self-evident premises does not come from Aristotle's "Posterior Analytics".
The demonstrative science discussed there depends on the notion of principles.
The notion of self-evident truths is to be found in "Topics". This is the discussion of dialectical argumentation that grounds rhetoric.