Why Three
To the question why three as opposed to two — why triadic rather than binary — I do think he answer is clear and simple and explicable Bear in mind that I am not suggesting what Peirce may have meant, merely what I mean. It is based on the idea that conscious thought involves reality and that reality encounters ethics (values) and the result is a determination of action and or expression of both which I would put under the heading of aesthetics. You ask why three. Reaity —Ethics — Aesthetics? Because that is how I see progress and widening ethical awareness, and I see both underway today globally.