When Aristotle Met de Beauvoir: The Debate That Never Was

In 1949, a book titled "The Second Sex" was published in Paris, and almost immediately placed on the Vatican's list of forbidden books. Last week, we imagined Aristotle debating Alan Turing on the nature of mind, a clash between ancient purpose and modern possibility. Today, that same tension between what something IS and what it could BECOME takes on a profoundly personal form. It's a tension that sits at the very root of how we see ourselves. Are we defined by a fixed nature, a blueprint given to us? Or are we defined by our choices, by the life we build? Exactly. And you can’t find two thinkers who represent the poles of that argument more clearly than Aristotle and Simone de Beauvoir.

One, the ancient Greek philosopher who saw the world as a system of fixed purposes. The other, a twentieth-century existentialist who argued that our defining feature is radical freedom. So what happens when they meet? What happens when the man who believed woman is an "incomplete male" sits across from the woman who wrote, "One is not born, but rather becomes, a woman"? It's a conversation that never happened. But if it had... I think it would sound something like this. Let's imagine Aristotle begins, grounding his argument not in malice, but in observation. Look at the world. Everything has a purpose, a telos. An acorn's purpose is to become an oak tree.

A knife's purpose is to cut. This is how we understand anything — by understanding its function, its end. Humans are no different. I agree we are a part of nature. But we are the part of nature that can question its own purpose. An acorn cannot decide to become a rose bush. A person can. That is the singular human condition. But that is a path to chaos, not fulfillment. To be virtuous, to live a good life, is to excel at your natural function. The eye is excellent when it sees clearly. The citizen is excellent when they contribute to the flourishing of the city-state, the polis. And the sexes have different, complementary functions for the continuation of that state.

Complementary? You called the female form a "mutilated male." That doesn't sound very complementary. That sounds like a hierarchy. You established one as the norm and the other as a deviation from it. It is a description of biology, of form. The male provides the form, the soul, the animating principle. The female provides the matter. Both are necessary for creation, but they are not the same. It is a natural order. To deny it is like denying that fire is hot. But you take that biological observation and you stretch it into a social destiny. You say because a woman’s body has one function, her ENTIRE existence must be defined by it.

You trap her in what you call 'immanence' — in the world of repetitive, natural cycles. You deny her 'transcendence'. Transcendence comes from fulfilling one's nature to its highest potential. A great statesman, a great soldier, a great philosopher — these are men fulfilling their nature in the public sphere, for the good of all. A woman's nature finds its excellence in the private sphere, in managing the household and raising the next generation of citizens. This ensures the stability of the polis. So, a woman’s "excellence" is to create the conditions for a man’s excellence? She is not an end in herself, but a means to an end for someone else.

This is the very definition of oppression. You make her the Other. The incidental, the inessential. I see it as a beautiful, functional harmony. A society where everyone knows their role and strives to perform it with virtue is a just and stable society. What you call freedom, I might call... confusion. A disordered state where no one knows their purpose. And what you call harmony, I call a cage. Okay, but let's steelman his position for a moment. He's not just being arbitrary. His entire philosophy is built on this idea of teleology, of purpose. Right. For him, a good human is one who reasons well and fulfills their function within the community.

And he observed, correctly or not, biological differences and extrapolated social roles from them. He would argue he’s just describing the world as he sees it, and how to best live within it. I hear you, but that's the core of de Beauvoir's critique. She would say, "Yes, I see the world you've built. But I don't accept it as natural. It is a construction." She’d argue that for centuries, men have defined what it means to be human, and they’ve defined it in their own image. So when a man writes about humanity, he's just writing about... humanity. But when a woman writes about it, she’s seen as writing about the "female experience." Precisely.

He is the default. She is the deviation. He is the Subject, the Absolute. She is the Other. And this isn't an accident. It's a fundamental structure of the society he describes. She's defined only in relation to him. Okay, so let's push back from Aristotle's side. He might say, "This isn't about oppression, it's about reality. The physical realities of childbirth and strength in an ancient world necessitated these roles. We are building a society that works, that survives." And de Beauvoir would say, "Perhaps. But you've mistaken a historical situation for an eternal truth." This is her whole point about existence preceding essence.

There is no pre-ordained "feminine nature." There is only the biological female, the human being, who is then taught, shaped, and forced into a role that society calls "woman." So the entire concept of "woman" is a social construct. Yes. It's a myth. A myth that serves to justify keeping one group in a subordinate position. It's a brilliant, self-perpetuating system. You invent an "essence," you raise people to fit it, and then you point to them as proof that the essence was real all along. Huh. So from his perspective, he's just describing the acorn and the oak tree. From her perspective, he's telling the acorn it's not allowed to be anything BUT an oak tree, and calling that "nature." That's a perfect way to put it.

And she’d say the tragedy is that the acorn starts to believe it. It internalizes the myth. It limits its own freedom. Okay, but let's get to the sharpest point of disagreement. Let's talk about freedom itself. For Aristotle, freedom isn't doing whatever you want. It's the freedom TO become your best self, to achieve your potential. Right, to fulfill your telos. Exactly. So if your nature is X, freedom is the ability to become the most excellent version of X possible. It's a freedom for a specific kind of flourishing. It has a direction. And for de Beauvoir, that's no freedom at all. That's just a more pleasant-sounding instruction manual.

For her, as an existentialist, freedom is absolute. It is the defining condition of being human. We are, in Sartre's famous phrase, "condemned to be free." Meaning what, exactly? Condemned? That sounds awful. It means we have no excuses. There's no divine plan, no human nature, no biological destiny to fall back on. We are thrown into the world and are entirely responsible for what we make of ourselves. Every choice creates who we are. So for Aristotle, identity is something you discover. For de Beauvoir, it’s something you invent. Yes. And that is terrifying, but it's also the source of all human dignity. To deny someone that radical freedom to invent themselves—by telling them their nature is fixed, their role is pre-determined—is the most profound harm you can do to them.

I see the power in that. But I can also hear the Aristotelian concern. If there is no shared nature, no common telos, what holds a society together? If every person is inventing their own values from scratch, how do we have a community? A polis? I think de Beauvoir would argue that true community is only possible among free and equal individuals, not a master group and a subordinate one. Community based on domination isn't community, it's just... organized control. Alright, I'll give you that one. A forced harmony isn't really harmony. But still, the idea of a world with no shared foundation, no objective good to strive for...

it feels unmoored. It is unmoored. That's the point. We are the anchor. Each of us, through our projects and our commitments, creates value in a world that has none on its own. So where does this impossible conversation leave us? It feels like they're speaking different languages. One is speaking the language of nature, order, and function. The other is speaking the language of freedom, choice, and creation. I think you're right. Aristotle is looking at the world and trying to build a system that explains it, that makes it coherent. He's a biologist at heart, a classifier. He sees the 'what is' and deduces the 'what ought to be'.

And de Beauvoir is looking at that same world and seeing a set of choices that have been presented as facts. She sees the 'what is' and asks, 'Why must it be this way? What else could it be?' She's a revolutionary at heart. It's the difference between accepting the world as given and demanding the right to remake it. Aristotle gives us a framework for finding our place within a pre-existing order. De Beauvoir gives us a framework for creating a new order entirely. You know, it's easy to dismiss Aristotle's view as simply archaic or sexist. And in many ways, it is. But there's a deep appeal in the idea that our lives have an inherent purpose, that there's a 'right' way to live that we can discover through reason.

Oh, absolutely. It's comforting. The existentialist alternative is... daunting. The burden of total responsibility, of creating meaning from nothing, is immense. It's much easier to be told who you are. But de Beauvoir's point is that comfort comes at the cost of freedom. And for her, a comfortable cage is still a cage. So the debate isn't really just about gender. It's about the source of meaning itself. Does meaning come from discovering our place in a grand, natural design? Or does it come from the radical, terrifying, and magnificent act of creating ourselves? Aristotle offers us a map of the world as it is. De Beauvoir hands us a blank page and tells us to start drawing.

And the question they leave hanging in the air, the one we're still wrestling with today, is whether the ultimate goal of a human life is to become what we are... or to become what we are not yet.