Larry Becker’s A New Stoicism, which I have discussed over three previous posts, is now getting into the heavy lifting of the second part of the book, “The way things might go,” comprising chapters 4-7 on normative logic, living according to nature (“follow the facts,” in Becker’s rendition), virtue, and happiness. This post comprises chapter 4, on normative Stoic logic.
Admittedly, this bit is not for the philosophically faint of heart, as the material is difficult to get through, despite (or maybe because) the brevity of the chapter itself. Still, it is very well worth the effort, as one gets, among other things, the beginning of an explanation of how Stoics bridge the so-called is/ought (fact/value) divide, which David Hume allegedly thought unbridgeable, but that any naturalistic ethics has, in fact, to bridge.
The first issue that Larry approaches in this context is defining norms and normative propositions, since ethics is a prescriptive (i.e., normative) discipline (as opposed to a descriptive one, like psychology). Norms — in this context — are simply facts about the behaviors of agents, i.e., about their goals, projects and endeavors. Normative propositions, then, are representations of facts about norms, and they can be true or false but can acquire no other truth value (i.e., Stoic logic is classical logic, not, for instance, paraconsistent).
Any logic is characterized by “operators,” i.e., by the logical equivalents of things like “plus,” “minus,” “divided by,” “multiplied by,” and so forth in mathematics. Standard deontic logic (a major modern approach to the use of formal logic in ethics) has operators like “obligation,” “permission,” and “prohibition.” Stoic moral logic, instead, uses operators like “requirement,” “ought,” and “indifference,” to which we now briefly turn.
Beginning with the definition of requirement:
“To say that an agent is required to do (or be) x is to say one or more of three things: (i) it may be to say that her doing or being x is in some sense a necessary condition for her pursuing some endeavor she has; (ii) it may be to say that within the terms of some endeavor, she ought to be (or it is required that she be) sanctioned for doing or being non-x; or (iii) it may be to say that her doing or being non-x would be a ‘nullity’ in her endeavor.” (p. 39)
For instance, if my endeavor is to become a better person, then I am required to practice the four cardinal virtues of practical wisdom, courage, justice, and temperance; I should be sanctioned if I do not practice those virtues (the word “sanctioned” here does not refer to formal punishments, it could simply be the result of me chastising myself when writing my evening diary, for instance); and if I do not behave virtuously then I am not in the process of becoming a better person.
“To say that an agent ought to do or be x is to say that her doing (or being) x is advisable (but not necessarily required) in terms of some endeavor that she has.” (p. 38)
Notice that “ought,” here, does not have anything like the standard meaning that it has in modern moral philosophy, where it indicates an imperative. We as Stoics cannot make sense of moral imperatives that are detached from specific goals or endeavors, hence the “advisable rather than requires” bit above. Think of these as conditional imperatives, of the type: IF I want to do x, THEN I ought to do y.
“The indifference operator is interpreted as a logical remainder. To say that it is a matter of indifference whether an agent does x is to say that her doing x is neither advisable nor inadvisable, neither required nor prohibited.” (p. 39)
In the case of my endeavor to become a better person, it is indifferent whether I am wealthy or not, as wealth has nothing to do with being a good person.
Becker then proceeds to distinguish three sets of possibilities to be used in our reasoning: logical, theoretical, and practical. Logical possibility is the largest set, and it includes the other two. It refers to things that are possible because they do not entail a logical contradiction. For instance, insisting in attempting to square the circle is futile, since we know that this is logically impossible.
Theoretical possibility refers to things that may be done, because they are not logically impossible, though whether they will be done depends on a set of pragmatic considerations. It is certainly logically possible to establish a human colony on Mars, for instance, but it may not be advisable to do so. Which means that practical possibility is the smallest set, contained by the other two, and refers to things that are logically and theoretically possible as well as, in fact, pragmatically realizable. My writing this commentary series on Larry’s book falls, obviously, in this latter category, as it is compatible, in practice, with a number of other endeavors I am currently engaged in. (Having another meeting with my Dean, by contrast, is pragmatically impossible, or so I tell myself right before politely declining his invitation.)
One more piece of the logical puzzle before we get to bridging the is/ought gap: it will often be the case that there will be conflicts among some of our endeavors and goals. Stoic logic comes built in with a way to resolve at least some of these conflicts from the get go: requirements take precedents over oughts, and both of these take precedence over indifferents. This is practically very important, because, among other things, it makes sense of what Stoics mean by “preferred indifferents.” If my goal is to become a more virtuous person (as it should be, if I’m a Stoic), then it is a requirement for me to practice the cardinal virtues, and that requirement overrides oughts related to other projects that may interfere with my main goal; both requirements and oughts related to compatible projects, in turn, override my pursuit of preferred indifferents, if that pursuit conflicts in any way with the requirements and oughts that have logical-ethical precedence. If pursuing wealth, say, is something I can do only by compromising my practice of virtue, then it is required of me, as a Stoic, not to pursue wealth.
We now get to how Stoics bridge the is/ought gap. Becker begins his treatment of this topic with an analogy: if I want to play a game, say chess, and win, then I ought to follow its rules, as well as to implement certain defensive and offensive strategies. If I don’t follow the rules, then I’m not playing the game. And if I don’t implement good strategies then I will not win at the game. Similarly with any kind of naturalistic philosophy, like Stoicism: IF I want to be a productive member of the human polis and live a flourishing human life, THEN I should be engaging in certain behaviors and not others (e.g., practice virtue, not comport myself like a psychopath). This conditional imperative follows from certain facts about human nature and human society, and it is the result of deliberate reflection on my part, “all things considered,” i.e., once I have evaluated all my priorities and goals in life.
As Larry puts it, for Stoics means/ends reasoning of the type just outlined is the underlying form of all practical reasoning. Most of our normative propositions, however, will be of the “nothing else considered” type, i.e., they will apply to local goals or endeavors. For instance, if my goal tonight is to have a romantic dinner with my partner, then I ought to buy some wine and flowers, and perhaps the ingredients to cook a good meal. But this sort of normative propositions can be in contrast with other normative propositions, e.g., tonight I really ought to grade my students’ papers, as a result of my commitments as a teacher and a professional. But I cannot both grade papers and set up a romantic dinner on the same night, for pragmatic reasons.
Stoic logic, as laid out by Larry, provides various means to resolve conflicts between normative propositions. Specifically:
“We resolve such conflicts by means of rules for generating superordinate normative propositions that dominate the conflicting ones. … When one endeavor is embedded in a more comprehensive and controlling one, the latter’s norms are superordinate. … When we recognize one endeavor as subject to assessment and correction by another, the latter’s norms are superordinate. … Sometimes norms of the same ordinal rank conflict. We resolve such conflicts with forced choices.” (pp. 43-44)
So, for instance, if I think of the need to spend a romantic evening with my partner and of the need to grade my students’ papers as on the same ordinal rank, then I juts have to make a forced choice between the two. But more likely then not, one norm will actually be superordinate: in this case, grading papers is part of my duty, both ethical and contractual, toward my students and employer. By contrast, spending a romantic evening is pleasant, but not a duty toward my partner, certainly not on that particular night. I should, then, grade the damn papers and promise to my partner that I will make it up to her the following night (at which point I will have an additional ethical duty to fulfill a promise made). Of course, the final level of superordinacy is represented by my duty to be a moral, virtuous person. That duty overrides everything else, including grading papers, should the two norms come into conflict.
The chapter ends with a succinct statement of four axioms of Stoic logic. These are explained in more depth, together with some additional axioms, in the appendix to the book devoted to formal logic, but the brief description that follows is sufficient for the general reader:
Axiom of Encompassment. The exercise of our agency through practical intelligence, including practical reasoning all-things-considered, is the most comprehensive and controlling of our endeavors.
Axiom of Finality. There is no reasoned assessment endeavor external to the exercise of practical reasoning all-things-considered.
Axiom of Moral Priority. Norms generated by the exercise of practical reasoning all-things-considered are superordinate to all others.
Axiom of Futility. Agents are required not to make direct attempts to do (or be) something that is logically, theoretically, or practically impossible.
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