Thank you Ren for your reply; I'm still contemplating your earlier questions. Often I find I need to sleep on a thing before responding.
You make a strong set of points in your interpretation of my point. IMHO, Truth is in the end the final goal in any analysis. Now, Truth is subjective really, because each indivdual brings the facts to the final decision of what The Truth is. Which brings in the question, is one man's lie inevitably another man's truth? This I believe is why most legal systems are trying cases based on facts and not on truths; yet, many lawyers lead questioning with, for example, "Isn't it true Mr. Smith that on the night in question you were at 32 Main Street between the hours of 1 and 3 pm?" This gives Mr. Smith a choice. Does he reply, yes, that he was indeed there, and show others that he
may have committed the crime in question, or, does he choose to chance that there was no witness to his presence at that place and time, and lie by saying no, that he was not there. You see in this way, the
burden of proof still falls to the accuser.
In Anceient Greece, one of the primary purposes (jobs) of the Sophist was to teach Oratorical skills to students for a fee, (students mostly of wealth and status), as the majority of disputes and crimes were tried in the Arena and the better one could plead their case, the better chance they had to win.
When Sophists started training lower class students, again who could pay, the same Oratorical skills Plato was brought to fits. The main reason being it leveled the field between the upper class and lower class, and the lower class began to talk their way out of their troubles
Protogoras was a huge advocate of equality in Learning.
Gorgias was another first generation Sophist but from Sicily. He was sent on purpose to Greece, and he lived there until he was 100 years old, about 40 years of influencing Greek Philosophy. He introduced paradoxes and paradoxical expression, for which he has been labelled the "father of sophistry". He also contributed to the diffusion of the Attic dialect as the language of literary prose...thereby ushering in the mainstream usage of rhetoric.