Recipe and Its Ingredients

"Enough with mental logic! It has been around for three millennia, and no theory came out of it. It's a dead research program!" You certainly must have happened to overhear speech streams very much like this. (They generally continue with the utterer praising the virtues of sexier alternatives, such as models, interconnected networks, space phases, or what have you.) In case you wanted to know what to respond, I can help you. The right response is, "Yes and no." However, "yes and no" is a contradiction and you will not be happy with it, because you, like me and everybody else, possess a natural logic and natural logic abhors contradictions. The real right answer is, "In one sense yes, and in another sense, no." The "In one sense, yes" part is easy: It is a fact that the idea that we have a logic in our mind goes back 3,000 years or so. The "in another sense, no" part is a bit more complicated. I tell a long story about how certain ideas have to be blended with the right ingredients, how the ingredients have to be carefully mixed together, and how the mixture must be stored in a warm place far from drafts in