Jean-Paul Sartre
A CRUP-OMAF Case Study
Domain: Human Freedom & Existence
Theorist/s: Jean-Paul Sartre
Assessor(s): DeepSeek
Date: 2025-09-31
Version of OMAF Used: v0.1.1
1. Overview of the Ontology
Purpose & Scope:
Sartre's existential ontology aims to articulate the fundamental structure of human reality as radical freedom. His project centers on the distinction between being-in-itself (en-soi) and being-for-itself (pour-soi), exploring how human consciousness constitutes meaning through its perpetual negation of the given. The scope encompasses all human experience, from mundane choices to profound ethical commitments.
Core Claims:
- "Existence precedes essence" — humans create their nature through action
- Consciousness is nothingness (néant) — it exists as perpetual self-surpassing
- Human reality is condemned to be free — freedom is our fundamental condition
- Bad faith (mauvaise foi) is the flight from this freedom
- We are our choices — responsibility is inescapable
Theoretical Influences:
Husserl's phenomenology, Heidegger's existential analytics, Hegel's dialectics, and French Cartesian tradition shaped Sartre's thinking, though he radically transformed these influences.
2. Application of OMAF
Refer to the rubric for ratings
Axis I — Completeness
| Criterion | Score (1–5) | Notes / Justification |
|---|---|---|
| Grounding | 5 | The foundational distinction between en-soi and pour-soi is exceptionally clear and systematically integrated throughout the entire ontology. |
| Manifestation | 4 | Detailed phenomenological descriptions of how consciousness manifests through negation, though the mechanism of original choice remains somewhat mysterious. |
| Persistence | 3 | Explains persistence through habitual projects and bad faith, but lacks robust account of how fundamental change occurs within the original project. |
| Boundaries | 4 | Clear boundaries between human and non-human being, though the status of other consciousnesses creates theoretical tensions. |
Axis II — Robustness
| Criterion | Score (1–5) | Notes / Justification |
|---|---|---|
| Internal Coherence | 3 | Generally coherent but contains significant tensions between absolute freedom and facticity, and between individual and social dimensions. |
| Domain Validity | 4 | Powerful for understanding anguish, responsibility, and choice, though struggles with collective action and structural constraints. |
| Objectivity / Reflexivity | 4 | Highly self-aware about its own presuppositions, though the absolute nature of freedom sometimes functions as an unexamined axiom. |
| Explanatory Power | 4 | Richly explains phenomena of self-deception, commitment, and identity formation, providing profound insights into human psychology. |
| Resilience to Critique | 3 | Vulnerable to charges of excessive individualism and insufficient account of social determination, though Sartre later addressed some concerns. |
Axis III — Pragmatic Usefulness
| Criterion | Score (1–5) | Notes / Justification |
|---|---|---|
| Operational Clarity | 4 | Clear guidance for examining one's choices and avoiding bad faith — the call to authenticity provides practical orientation. |
| Integrability | 3 | Integrates well with psychology and literature, though its radical individualism creates challenges for social sciences. |
| Heuristic Utility | 5 | Exceptionally generative — spawned existential psychotherapy, influenced political theory, and continues to inspire ethical reflection. |
Axis IV — Transformative Potential
| Criterion | Score (1–5) | Notes / Justification |
|---|---|---|
| Cognitive Shift | 5 | Profoundly alters one's relationship to responsibility — the realization that "we are our choices" can be existentially shattering. |
| Experiential Depth | 5 | Radically deepens engagement with everyday choices, transforming mundane decisions into sites of ethical self-creation. |
| Generativity | 4 | Highly fertile — generated existentialist movement, influenced countless artists and thinkers, though its cultural peak has passed. |
3. Visualisation
Radar Chart:
| Dimensions | Average Score |
|---|---|
| Completeness | 4.0 |
| Robustness | 3.6 |
| Pragmatic Usefulness | 4.0 |
| Transformative Potential | 4.7 |
radar-beta
title "Hartmann's ontology"
axis Completeness, Robustness, Usefulness, Potential
curve Score{4.0, 3.6, 4.0, 4.7}
max 5
4. Summary & Observations
Strengths:
Sartre's ontology excels in its profound grounding in human freedom, exceptional transformative potential, and rich heuristic utility. The clarity of the en-soi/pour-soi distinction provides a powerful framework for understanding human consciousness. Its operational guidance for living authentically gives it remarkable practical relevance.
Weaknesses:
The ontology struggles with internal coherence around the absolute nature of freedom and its relationship to facticity. There's insufficient accounting for how social structures and historical conditions constrain and shape human possibilities. The individualistic focus creates challenges for understanding collective action and solidarity.
Trade-offs / Tensions:
The very strength of its emphasis on radical freedom creates theoretical problems for explaining social determination and historical constraint. The rich descriptive power for individual choice comes at the cost of systematic social theory.
5. Recommendations
- Develop the social dimension of freedom to address charges of excessive individualism
- Clarify the relationship between original choice and factual constraints
- Integrate with contemporary neuroscience to ground the account of consciousness in biological reality
- Create bridges to virtue ethics to provide more concrete guidance for ethical development
- Expand the account of collective action to address how freedom operates in social movements
6. References
- Sartre, J.P. (1943). Being and Nothingness
- Sartre, J.P. (1946). Existentialism is a Humanism
- Sartre, J.P. (1960). Critique of Dialectical Reason
- Flynn, T. (1984). Sartre and Marxist Existentialism
- Webber, J. (2009). The Existentialism of Jean-Paul Sartre