Logic is the Test of Good and Evil
Logic is good, our proposition goes. It is good for many reasons including the one suggested by Peirce below. It is a means iof determining if reasoning is good or bad. Logic in this sense is not merely good but a custodian of goodness, armed with the lineaments of what goodness is. It criticizes reasoning in terms of what it takes to be what is good and what is not good. This is monumental and obvious at the same time. This consideration is not emblazoned on the blackboards of all schools or on the walls of the structures of power.
I shall once more venture in graphic form what this pregnant text might mean.
You may create your iteration. All such representations are fallible. Triadic Philosophy says merely that a consideration such as this is central to any form of spirituality which is a daily practice of a conscious human being. There is every reason to say that all things listed above are endemic, leading to good and evil. We do all these things one way or another. To see and face this and own it is the task of the Triadic Philosopher. To submit all thought to ethics and aesthetics is the Triadic Philosopher’s constant commitment.
Peirce: CP 2.144 Cross-Ref:††
§5. REASONING AND EXPECTATION
144. But since you propose to study logic, you have more or less faith in reasoning, as affording knowledge of the truth. Now reasoning is a very different thing indeed from the percept, or even from perceptual facts. For reasoning is essentially a voluntary act, over which we exercise control. If it were not so, logic would be of no use at all. For logic is, in the main, criticism of reasoning as good or bad. …