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Aeschylus’ Seven Against Thebes, Probability, and a New Theory of Tragedy

CAMWS Classical Association of Middle West and South Presentation

116th Annual Meeting in Birmingham, Alabama

March 25-28, 2020

Samford University

Seventh Paper Session, Section A: Greek Drama 4

Aeschylus’ Seven Against Thebes, Probability, and a New Theory of Tragedy

I’d like to tell you about my new theory of tragedy called “risk theatre.” In risk theatre, risk is the dramatic fulcrum of the action. To illustrate it, I’ll use a play full of gambling references and high-risk action: Aeschylus’ Seven Against Thebes.

Drama, I argue, dramatizes risk. Comedy dramatizes upside risk. Tragedy dramatizes downside risk. Tragic heroes are gamblers who gamble with something other than money. They make delirious bets that trigger devastating low-probability, high-consequence outcomes. Audiences ask: “How did such a good bet go awry?”

To begin a risk theatre read, look for a bet where much is at stake. High stakes entertain. When you go to the casino, you don’t go to watch nickel and dime bets. You go to watch the heroes at the no-limit tables who lay down dignity, honour, or compassion, the milk of human kindness. You go to experience the emotions of anticipation and apprehension: anticipation for the magnitude of their wagers and apprehension for how they blow up. Even though heroes are smart, swift, and well-accoutered, they lose all. To see how they had every expectation of being crowned the ivy, yet lose all evokes wonder.

What’s the bet in Seven? As civil war rages, Eteocles bets the gods are on his side. It’s a high-risk bet, as Thebes’ existence hangs on the line. It’s a good bet, as he’s defending native shrines from foreign aggressors. Why wouldn’t the gods be on his side?

How will Eteocles know the gods are on his side? In this play, seven attacking captains are posted by lot—in other words randomly—to Thebes’ seven gates. Eteocles, in turn, draws seven lots to post seven defenders. By drawing lots, he entrusts the outcome to the gods. If the gods smile, the matchups will be favourable. If the gods turn away, the matchups will be unfavourable. Through the crack that is probability and chance, the gods reveal their intent.

I follow Fritz-Gregor Hermann’s conjecture that a stage direction instructing Eteocles to draw lots on stage was lost in transmission. Hermann’s conjecture solves the problem of the tenses, as Eteocles shifts between the future, perfect, present, and aorist when announcing the defenders. Before, commentators were divided: some thought he decided the postings prior to the shield scene. Others thought he decides during the shield scene. And yet others thought he decided some before and some during.

If Eteocles draws lots on stage he can easily shift between tenses because he can be speaking before he draws the lot (“I will announce the winner”), as he’s drawing the lot (“I see the winner is”), or after he’s seen the lot (“A winner has been chosen”). Not only does the conjecture rehabilitate the shield scene, rebuked for being static, but it also heightens the suspense. Drawing lots is dramatic in itself, a device Aeschylus would revisit in the Oresteia.

Do the random matchups favour Eteocles? In aggregate, yes. Take the first gate, where the attacker shouts out impieties. Eteocles just happens to draw a defender who is “a noble man who honours the throne of Reverence (503).” Or, take the fourth gate where the attacker bears an image of Typhon on his shield. By a strange synchronicity, Eteocles draws a defender who has Zeus—Typhon’s slayer—emblazoned on his shield. Eteocles, pleased at this stroke, invokes Hermes, the god of luck, saying: “Hermes, by divine reason has matched this pair (625).” Through the crack in randomness, the gods reveal their will.

Additional subjective cues hearten Eteocles. There’s the enemy’s disarray. Their morale is so low that they prepare their obituaries. One of their captains says: “I’m going to die.” Dark omens hang over them. They harangue one another. Contrast this with the chorus of Theban women, who function as a barometer of morale within the city. They start by singing the fall of Thebes. But, by the first stasimon, they sing the ode to joy. From the matchups to the unfolding action, Eteocles has subjective reasons to believe.

Eteocles also has objective reasons to believe. With seven attackers, seven defenders, and seven gates, the worst-case scenario is buried deep in the odds. The worst-case scenario happens if he confronts his brother at the seventh gate. At the final gate, substitutions would no longer be possible, as all the captains are posted. Kindred blood would spill. It’s the worst-case scenario because there’re rituals to purify spilt blood, but no rituals to purify spilt kindred blood.

We can use this play to prove the theory of risk theatre because, with seven attackers, seven defenders, and seven gates, all the possible permutations of the attackers and defenders fall under the rules of probability. When Birnam Wood came to Dunsinane Hill, we felt it was a low-probability, high-consequence event, but failed to quantify it. When the detective on the trail of regicide finds out that he himself was the regicide, we felt it was a low-probability, high-consequence event, but failed to quantify it. Because of Seven’s unique construction, it’s the one play in the entire canon where we may calculate the odds of what did, and did not happen. With these odds, we may prove the risk theatre hypothesis. Let’s do math.

Mathematically, the likelihood of a compound event is the product of its individual probabilities. The odds of rolling snake-eyes, or two ones on six-sided dice, is 1:36, or 1:6 * 1:6. On that analogy, the odds of the worst-case scenario are 1:49, the product of Polyneices’ odds (1:7) and Eteocles’ odds (1:7) of going to the final gate. The probability of the worst-case scenario happening is exceedingly low, about 2%. Most of the time—in fact, 48 out of 49 times—the worst case scenario is averted. Of course, Aeschylus doesn’t dramatize what happens most of the time, but the lowest-probability, highest-consequence event. And that is exactly what risk theatre theory predicts.

If 1:49 odds aren’t enough to entice you, if you say, “I need, at minimum, 1:1000 odds to be convinced that risk is the dramatic fulcrum of the action,” then I offer you this. The odds of the brothers meeting at the seventh gate are 1:49, to be sure, but that figure hardly reflects the chance of all the matchups taking place exactly as they did. The play, argues Gilbert Murray and others, is structured so that the matchups from gates one to six bolster Eteocles’ confidence with the result that, when he falls, he falls from a greater height. The play would be less if the captain with the Typhon device encounters anyone but the captain bearing Typhon’s slayer. The question we need to ask, then, is: what are the odds of all the matchups taking place exactly as they did? This fascinating question has not been asked until today.

According to the law of permutations, the formula to find how many unique arrangements there are with seven captains at seven gates is seven factorial (7!) or 7 * 6 * 5 * 4 * 3 * 2 * 1, which equal 5040. Since there are seven attacking and seven defending captains, to find out how many unique pairings exist at seven gates, multiply 5040 by 5040. With seven gates, seven attackers, and seven defenders 25,401,600 permutations are possible. The odds, therefore, of Eteocles being raised up from gates one to six only to be struck down at gate seven are 25,401,599:1 against. Aeschylus has transformed the fated outcome, known to all, into an exceedingly improbable event. This is exactly what the theory of risk theatre predicts.

If Birnam Wood coming to Dunsinane Hill couldn’t convince you, if the uncanny reunion of Oedipus with the Corinthian messenger and the shepherd couldn’t convince you, then I hope today’s reading convinces you that the function of tragedy is to dramatize low-probability, high-consequence risk events. I give you over twenty five million reasons to believe.

This concludes my reading. Tragedy starts with a bet. An all-in bet with much at stake. It’s a good bet with a high likelihood of success. But the hero’s expectations are dashed when, against all odds, the unexpected happens. Tragedy functions by suppressing the subjective odds of the fated event happening so that, when it happens, the audience is dumbstruck. Fate suppressed rages and explodes.

To take risk theatre from page to stage, I founded the world’s largest competition for the writing of tragedy with Langham Court Theatre, one of Canada’s oldest and most respected theatres. Every year, winners receive over $11,000 in cash and a trip to Victoria which culminates in a workshop and staged reading. Congratulations to Brooklyn playwright Gabriel Jason Dean for winning the inaugural competition with his play In Bloom, a story of a well-meaning journalist who crosses the line. The website is at risktheatre.com.

Risk theatre is inaugurating a new tragic age in drama and literature that will rival fifth century Athens and the English Renaissance. Aeschylus’ Seven leads the charge as risk theatre’s paradigm play. “Risk” dominates today’s headlines and, to understand risk, we return to the ancients who began by dramatizing the consequences of what happens when more things happen than what we think will happen.

Risk theatre is literary theory’s finest hour in the 21st century because it recalls something that has been forgotten so long, namely, that risk is the dramatic pivot of the action. I challenge you to use it on all your favourite works, whether they’re novels, history, biography, opera, or films, and I promise you you’ll never read a work of literature the same way. Please tell everyone about this bold new tool of interpretation and ask your local library to carry my book: The Risk Theatre Model of Tragedy: Gambling, Drama, and the Unexpected. Review copies are available at Classical JournalAmerican Drama and Theatre (JADT), and The Bryn Mawr Classical Review. If you’re a road warrior commuter, the audiobook, performed by Greg Patmore of Coronation Street, will be released any day.

Thank you, and welcome to the new tragic age.

Until next time, I’m Edwin Wong, and I’m doing Melpomene’s work.

Low-Probability, High-Consequence Events in Greek Tragedy: Aeschylus’ Seven Against Thebes

Thanks to Professor LB and the Department of Greek and Roman Studies for setting up this seminar. And thanks to all the students and faculty who came out on a cold and snowy Friday afternoon. Great turnout (we packed the conference room) and very receptive audience for this homecoming lecture. Judging from the discussion period that followed the presentation, there’s a sharp band of students at UVic! My old roommate TS from the happy days of UVic undergrad (who’s know Professor TS of English Literature) received a research grant to fly out to hear the talk, so that was extra fun! The core of this presentation was delivered at the APA earlier this year. This version has been revised to take into account the feedback from APA which was: hammer home the point that the gate assignations are random. The preconceived (and likely mistaken) notion that Eteocles decides the assignations remains very strong with readers of the play. If the assignations are random (as I argue), the play is actually quite fun, dramatic, and full of suspense. If the assignations are decided and preordained (as others argue), the play is quite static. Which would you rather have? BTW the image on the poster is from the Exekias Vase and it depicts Achilles and Ajax playing dice. Probably a high-stakes game as they have their spears handy just in case!

Exekias Vase

DEPARTMENT OF GREEK AND ROMAN STUDIES SEMINAR

FRIDAY, FEBRUARY 23 2:30 PM CLEARIHUE B415

 

Low-Probability, High-Consequence Events in Greek Tragedy: Aeschylus’ Seven Against Thebes

 

I present to you a question: does it seem that tragedy in general—not just Greek tragedy—goes out of its way to dramatize low-probability, high-consequence outcomes? Low-probability refers to events are that are unlikely, events that are 1000:1 against, events such as Birnam Wood coming to Dunsinane Hill. In Shakespeare’s play, the witches tell Macbeth that nothing can harm him until Birnam Wood removes to Dunsinane Hill. It’s highly unlikely that the trees will take up their roots and hike up the hill. But when the troops camouflage themselves under Birnam Wood, the high-consequence event unfolds. Macbeth is caught flat-footed. All is lost.

 

We see something similar in Sophocles’ Oedipus rex. The messenger comes out of left field to tell Oedipus that he’s inherited the Corinthian throne, and, oh, by the way, your parents aren’t who you think they are. How do I know that?—well, I saved you when you were a babe and your real parents had exposed you. Who are my real parents?—well, you have to ask the shepherd. What are the odds of a messenger, and not any messenger, but this messenger coming to Thebes at this exact moment? It’s as likely as Birnam Wood coming to Dunsinane Hill. But it happens, and the outcome has high consequences, as Oedipus goes from being a king to an outcast.

 

This presentation is on how tragedy dramatizes low-probability, high-consequence events. But there’s one problem: how do we know that an event in tragedy is unlikely? Something has to happen, and anything that happens is, in a way, unique. How do we quantify the odds of what takes place against what did not take place?

 

Aeschylus’ Seven Against Thebes is the one unique play where it’s possible to quantify the odds of what didn’t happen. In Seven, seven attacking captains lay siege to seven-gated Thebes. One brother, Polyneices, marshals the attack. Inside Thebes, the other brother, Eteocles, coordinates the defence. The worst-case scenario occurs if the brothers meet at the seventh gate. They would shed kindred blood and miasma would result. If they go to different gates, the worst-case scenario is averted. Or, if they find themselves at a gate prior to the seventh gate, Eteocles could substitute another captain in his place. But the worst-case scenario occurs if they’re both at the final gate, as substitutions are no longer possible.

 

With seven gates, seven attackers, and seven defenders, what are the odds of the worst-case scenario? Let’s look at this this way. What are the odds of rolling a six on a six-sided die? There’re six equally probable outcomes, so the answer is 1:6. Now what are the odds of rolling two sixes? The outcome of two independent rolls is the product of their individual probabilities. 1:6*1:6=1:36. Now, if there are seven gates, and the assignations are random, there’s a 1:7 chance that Eteocles goes to the seventh gate. The odds of Polyneices going there are the same, 1:7. So we multiply the odds together and find that, the odds of the worst-case scenario is 1:49. Now, what are the odds of the worst-case scenario not happening? The answer is 48 out of 49 times. See how Aeschylus doesn’t dramatize the likely scenario, but rather the worst-case scenario which is 48:1 against. Thanks to Seven, we can quantify how tragedy goes out of its way to deliberately dramatize low-probability, high-consequence events.

 

But—how do we know that the process of assigning gates to the attackers is random? Easy. The scout tells us:

 

As I was leaving

they were casting lots (klhroumevnou~), each to divine by fortune

against which of our gates he would lead his battalions (77-9, trans. Hecht & Bacon)

 

Since the attackers draw lots, it stands that Polyneices’ chance of going to the seventh gate is 1:7. How do we know that the process of assigning gates to the defenders is random? That’s harder. It’s not explicit. Eteocles tells us at the conclusion of the first episode that:

 

I will go and assign six men, myself the seventh,

all fully armed oarsmen,

against the champions at the seven exit-points of the city. (357-60)

 

Now, when he says that he “will assign six men, myself the seventh” he doesn’t necessarily mean he’s stationing himself at the seventh gate. So why say this odd phrase?—“assign six men, myself the seventh.” I like Roisman’s explanation: “it is an image of bad luck, since the number 6 + 1 [in dice games] was considered an unlucky throw.”[1] I want to seize and expand this point. There’s something ludic about this play; it exudes a sort of gambling hall or lottery atmosphere. We’ve already talked about how the attackers draw lots and the unlucky 6 + 1 gambling reference. Let’s add to this. For instance, Eteocles remarks as he dispatches Melanippus to face Tydeus that: “The chances of battle are as dice (kuvboi~) in the hands of Ares (511).” What other gaming references are there? Well, when Eteocles interprets the matchup between Hippomedon and Hyperbius, he says: “Hermes, by divine reason, has matched this pair (624).” Hermes, as Hecht and Bacon note, is invoked in his capacity as the god of luck and fortunate coincidence. Finally, the scout tells us after the brothers die that “they have shared out by lot (dievlacon) their full inheritance (1039).” The lottery image, along with the ship of state image, are the two dominant metaphors of this play. Because of the lottery imagery, I’m convinced that a random process must be involved in how Eteocles assigns the defenders. After all, why would he say that “Hermes, by divine reason, has matched this pair” unless they were brought together under Hermes’ tutelage as the god of lots? And why would the scout say that the brothers “have shared out by lot their full inheritance” unless a lottery process was involved in the assignations?

 

I want to share with you that Seven was the first Greek tragedy I read. When I first read it, I thought for sure that Eteocles decides the assignations on the spot, during the shield scene itself. The scout would report and he would say: “Oh, I just have the right guy to neutralize him.” In hindsight, that’s a very modern reading as that’s how a general would decide today. But how would this fit in with the lottery images? It doesn’t. Later I read Zeitlin’s Under the Sign of the Shield where she points out that Eteocles clearly says he’s going to decide the assignations before he meets the scout.[2] But then I thought: “Eteocles decides?—then what’s the point of all the lottery and gambling images?” Then I heard Weckler and Wilamowitz’ argument that some assignations are done before, and some during. While this solves the problem of the tenses, as during the shield scene sometimes Eteocles says “I shall station,” and at other times “He has been chosen,” it seems unnecessarily complicated. Because of the lottery references, I was ready to say that Eteocles decides by lot before he meets the scout. But when I recently read Herrmann’s conjecture, I was immediately convinced: he conjectures that Eteocles decides by lot during the shield scene itself.[3] Herrmann’s conjecture is brilliant. When Eteocles says that he’s going to assign the men before the scout comes, he’s putting their names in the helmet. As for the tenses, as he picks up the lot he can be saying “I will appoint” or “He has been already appointed.” Furthermore, Herrmann’s conjecture gives Eteocles something dramatic to do during the shield scene and, what is more, it means that, the defender assignations, like the attacker assignations, are random. Because all the assignations are random, all the possible matchups at each of the gates exist only as a probability until the moment when the lots are drawn. Because all the outcomes exist as probabilities, we can quantify the exact odds of what takes place against what did take place to verify how tragedy engages audiences with low-probability, high-consequence scenarios.

 

Could Aeschylus and his audience have worked out that the worst-case scenario is averted 48 out of 49 times? No. Sambursky, a historian of science, finds that the lack of both algebraic notation and systematic experimentation held the Greeks back from discovering the laws of probability.[4] The laws of probability would not develop until Cardano starts counting up the number of throws possible with dice two millennia later. But we know that the Greeks were able to understand the concept, if not the math of combinatorial analyses. Xenocrates, for example, mistakenly calculates that, by mixing together the letters of the alphabet, 1,002,000 unique syllables are possible.[5] Despite not being able to compute the exact odds, Aeschylus and his audience would have recognized that the odds of the brothers meeting at the highest gate was an exceedingly low-probability affair.

 

Besides the objective remoteness of the worst-case scenario, what subjective cues give Eteocles hope things will go his way? First, there’s the enemy’s disarray. Their morale is so low that they’re already dedicating memorial tokens to send back home. One of their captains says outright that he’s going to die. They also attack before their seer gives the signal. And there’s infighting between their captains. Contrast this with the improving morale of the chorus of Theban women, who function as a barometer of morale within the city: they start off in panic, but by the first stasimon, Eteocles wins them over. Many indications give Eteocles subjective hope.

 

The surest indication that things will go his way comes in the shield scene. In the shield scene, the scout describes, gate by gate, the attacking captain’s appearance, demeanor, and shield device. Eteocles, in turn, draws the lot to determine the defender and interprets the tale of the tape. Since chance is a reflection of god’s will, you can tell from the random matchups which side heaven favours. In the game of knucklebones, for example, rolling the Aphrodite throw (1, 3, 4, and 6) was considered a propitious sign from the goddess. So, to make up an example, if the bad guy carries a brutal monster on his shield, and your guy happens to be carrying a shield depicting a peasant farmer, that’s heaven telling you: “Your guy’s going to die.” So, how do the matchups work out? Well, in aggregate, the matchups overwhelmingly favour Eteocles. For example, the attacker at the fourth gate sports a Typhon device and he happens to be matched up against the defender bearing the Zeus shield: in myth Zeus had tamed Typhon. Or, as it happens, the attacker at the first gate who shouts out impieties is matched up with a defender who just happens to be “a noble man who honours the throne of Reverence (503).” So, gate by gate, as Eteocles sees the matchups unfolding, he grows more confident.

 

Objectively, the worst-case case scenario is buried deep in the odds. Subjectively, everything’s going his way. He’s unified the city. The matchups look better and better. But what’s happening? The odds of the worst-case scenario go up gate by gate each time the brothers’ lots don’t come up. At the first gate, the worst-case odds are 1:49. At the second gate, they go up to 1:36. By the sixth gate, they’ve escalated to 1:4. See what’s happening? Paradoxically, as he becomes more confident, he’s actually in greater danger, till the point when he’s most confident, at that point he’s in the greatest danger. Even as the situation becomes subjectively better, objectively things are becoming much worse. At the sixth gate, with his cheeks flush with the glow of wine and his hair all but adorned in ivy, as he dispatches Lasthenes to confront Amphiaraus, he seals his own doom in a stunning twist of fate. When the scout announces Polyneices stands at the seventh gate, the low-probability, high-consequence event comes to pass. The event was objectively low-probability because the odds that it happens is 48:1 against. The event was subjectively low-probability because everything was going his way. Tragedy is an engine that makes even foredoomed outcomes exciting by discounting the odds of the inevitable taking place.

 

I think these low-probability, high-consequence events are commonplace throughout tragedy. Take Sophocles’ Oedipus rex. Like Eteocles, Oedipus has played his hand well. Everything’s going his way. “Don’t worry,” says the Corinthian messenger, “you’re really not from Corinth. You’re going to be king of two cities.” At the point of maximum confidence, the low-probability, high-consequence event happens and Oedipus loses all. Or take Shakespeare’s Macbeth. Like Eteocles, Macbeth has played his hand well. “Nothing can harm you,” say the witches. At the point of maximum confidence, the low-probability, high-consequence event unfolds: Birnam Wood. Can you see a general trend?—at the point of maximum confidence, an unexpected, low-probability event unfolds with high consequences.

 

This way of looking at tragedy I call risk theatre. To me, tragedy’s function is to warn us that at our point of maximum confidence, we are, paradoxically, in the gravest danger. In this way, tragedy speaks to our confident age, an age of both great risk and great reward. While I was writing this, an article appeared in Wired magazine on November 16 on gene editing.[6] In the US, the entomologist Akbari is working on a gene drive, a way to supercharge evolution by forcing a genetic modification to spread through an entire population. With the gene drive, he can take flight away from mosquitoes and vanquish malaria—promising, of course, minimal disruption to ecosystems. And on November 17, USA Today reported that in Italy, Doctor Canavero was getting ready to do the world’s first head transplant on a human being.[7] What could go wrong?—they had already done the procedure on a dog. Akbari and Canavero are confident, and have the best-laid plans. But so did Oedipus, Eteocles, and Macbeth. In today’s technological age of manufactured risk, tragedy ought to and should be seen as a theatre of risk, as we moderns have a moral obligation to come to terms with the low-probability, high-consequence ramifications of our actions. And what better place to explore these than through drama? We emerge from risk theatre with eyes wide open. And I think, if you look at tragedy as a theatre of risk, it will guide you well because you’ll be better apprised that the things that hurt you come where you least expect. I’ll finish by saying that I’ve written a book on risk theatre and that I’m in high-level talks with theatres to produce new tragedies based on this exciting concept. Thank you for listening, and I welcome your feedback on risk theatre, the theatre that guarantees low-probability outcomes, every time.

 

Edwin Wong

edwinclwong@gmail.com

[1] Roisman, Hanna M. “The Messenger and Eteocles in the Seven against Thebes,” in L’antiquité classique, vol. 59, 1990, 22.

[2] Zeitlin, Froma I., Under the Sign of the Shield, 45.

[3] Herrmann, Fritz-Gregor, “Eteocles’ Decision in Aeschylus’ Seven against Thebes, in Tragedy and Archaic Greek Thought, ed. Douglas Cairns, Swansea: Classical Press of Wales, 2013, 58ff.

[4] Sambursky, “On the Possible and the Probable in Ancient Greece,” Osiris 12 (1956) 35-48.

[5] Plutarch, Quaestiones convivales 733a.

[6] Molteni, Megan, “This Gene-Editing Tech Might be too Dangerous to Unleash,” Wired, November 16, 2017.

[7] Hjelmgaard, Kim, “Italian Doctor Says World’s First Human Head Transplant ‘Imminent’,” USA Today, November 17, 2017.