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Faṣl al-Maqāl (The Decisive Treatise)

Ibn Rushd (Averroes)'s c.1179 short treatise — the harmony of philosophy and Islamic revealed religion

Ibn Rushd (Averroes) · c. 1179 · Arabic · Theological-philosophical treatise

Tradition: Islamic falsafa / Andalusian-Maliki jurisprudence

Averroes's c.1179 short treatise — the harmony of philosophy and Islamic revealed religion

Faṣl al-Maqāl wa-Taqrīr Mā bayna al-Sharīʿa wa-l-Ḥikma min al-Ittiṣāl ("The Decisive Treatise on the Connection between the Revealed Law and Philosophy," c. 1179) is one of Averroes's most important shorter works. The treatise argues — using the methods of Maliki jurisprudence — that philosophical inquiry is not only permitted but obligatory for those qualified to undertake it; that the apparent conflicts between philosophical conclusion and scriptural statement are resolved through proper Quranic interpretation; that the proper hierarchy is demonstrative for the philosophers, dialectical for the theologians, rhetorical for the masses.

Author

Editions cited

  • Faṣl al-Maqāl (12th c., Arabic); modern critical editions and trans. — Charles Butterworth (Brigham Young UP, 2001); George Hourani (Luzac, 1961, as On the Harmony of Religion and Philosophy)
Compare this work

School Embodiments

Islamic Philosophy / Falsafa · 30%
Aristotelianism · 20%
Scholasticism · 15%
Sufism / Wahdat al-Wujud · 5%
Rationalism · 15%
Liberal Theology · 10%
Rabbinic Judaism · 10%
Islamic Philosophy / Falsafa 30%

Canonical late-Andalusian falsafa text — the harmony of philosophy and revealed religion.

"The Law makes the study of philosophy obligatory upon those qualified for it." (Faṣl al-Maqāl)
Aristotelianism 20%

Averroes was the great Aristotelian; the treatise applies Aristotelian-demonstrative method to the relation of philosophy and religion.

"Demonstrative reason, properly applied, never contradicts the truth of revelation; if it appears to, the apparent meaning of revelation must be interpreted." (Faṣl al-Maqāl)
Scholasticism 15%

The Latin tradition of Averroism, growing out of the Hebrew and Latin translations of his commentaries, shaped scholastic engagement with Aristotle.

"The medieval Latin Averroists — Siger of Brabant, Boethius of Dacia — extended Averroes's harmony-doctrine to a Latin-Christian setting." (Standard medieval-philosophical historiography)
Sufism / Wahdat al-Wujud 5%

Engages — and largely rejects — Ghazali's anti-philosophical critique on which Sufi-theological positions partly depend.

"Ghazali's attack on the philosophers (Tahāfut al-Falāsifa) misunderstands them at crucial points; my Tahāfut al-Tahāfut answers him." (Averroes, referring to his major reply)
Rationalism 15%

Strong rationalist commitment — philosophical reason as proper means of inquiry into religious truth.

"Truth does not contradict truth; the truth of demonstrative reason and the truth of revelation cannot be in genuine opposition." (Faṣl al-Maqāl)
Liberal Theology 10%

Foundational for later liberal-theological commitments to the harmony of reason and revelation.

"Allegorical interpretation of scriptural statements is permitted — indeed required — where the apparent meaning conflicts with demonstrated truth." (Faṣl al-Maqāl)
Rabbinic Judaism 10%

Maimonides, Averroes's near-contemporary, developed parallel positions; the Andalusian Jewish-philosophical tradition takes Averroes seriously.

"Maimonides's Guide of the Perplexed addresses the same harmony-problem for the Hebrew-Jewish tradition; the two were near-contemporaries in Cordoba." (Standard intellectual-historical account)

Internal Tensions

Averroes's harmony-doctrine has been variously assessed — defenders see proper Islamic-rationalist synthesis, Ghazalian-Sufi tradition continues to question whether demonstrative philosophy is the proper guide.

⧖

I. Time

The c.1179 late-Almohad Andalusian moment.

Attributes
Extent: Infinite Ontological Status: Substantival Grain: Continuous Freedom: Deterministic Traversability: Linear Direction: Uni-directional Dimensionality: One
✦

II. Space

The Cordoba-Marrakech Islamic-philosophical world of late-twelfth-century Andalusia.

Attributes
Extent: Finite Ontological Status: Substantival Curvature: Flat Dimensionality: Three Locality: Local
◉

III. Matter

The embodied Islamic-philosophical community to whom the treatise is addressed.

Attributes
Extent: Infinite Ontological Status: Substantival Conservation: Conserved Dimensionality: Three Locality: Local
◎

IV. Observer

The qualified-philosopher as proper subject of demonstrative reason.

Attributes
Time Instance: Single Space Instance: Single Knowledge Extent: Partial Knowledge Retainment: Total Physicality: Embodied Agency: Active Number: Plural Metaphysical Agency: Personal
⚡

V. Energy

The intellectual energies of Andalusian Islamic-philosophical synthesis.

Attributes
Extent: Infinite Ontological Status: Substantival Conservation: Conserved Dispersibility: Irreversible
⧉

VI. Information

The juridical-philosophical content of the treatise itself.

Attributes
Ontological Status: Substantival Cosmic Conservation: Conserved Personal Conservation: Conserved Granularity: Discrete

Personas with the nearest attribute fingerprint

Historical figures whose own classification on the same six-dimensional grid lands closest to this work's. Computed by attribute-agreement on coordinates both address.

88%
Ramon Llull
29/33
87%
Ambrose of Milan
26/30
87%
Athanasius of Alexandria
26/30
87%
Basil of Caesarea (Basil the Great)
26/30
87%
Ibn Sīnā (Avicenna)
26/30
87%
Irenaeus of Lyon
26/30

Computed school proximity

The work's attribute fingerprint scored against all schools using the same quiz scorer. Useful as a sanity check on the hand-curated embodiments above.

72%
Lutheranism
23/26
71%
Newtonianism
22/26
70%
Natural Law
23/26
70%
Thomism
23/26
70%
Transcendental Thomism
23/26
70%
Manichaeism
22/26
69%
Reformed / Calvinist Theology
22/26
68%
LDS / Latter-day Saint Theology
22/26

How Faṣl al-Maqāl (The Decisive Treatise) resolves each dilemma

51 resolved positions across 4 dimensions, including 9 distinctive where the majority of schools go the other way · 6 unaligned.

Each dimension is sorted so minority positions come first. Mainstream positions are folded into an expandable list.

Time · 9 dilemmas · 5 distinctive

Persistence, the future, and the direction of becoming.

Distinctive · only 9% of schools agree (18/202)
Do you really choose?
If the brain is a physical system and physical systems are governed by laws, then every choice is also a chain of causes — which raises the question of what was really left to choose.
Choice is real within a determined order — agency and determinism aren’t opposites.
On this view, the future is determined and you are genuinely choosing. Those aren't contradictory because the determination runs through you rather than around you: your reasoning, deliberation, and assent are the way the determined outcome gets settled. Choice is what it feels like from …
Roads not taken The future is open and you are a genuine origin of it. (69%) · Choice is structural illusion — every event is fixed by the prior state. (10%) · Even if the universe is undetermined, you are not the chooser. (6%)
Distinctive · only 9% of schools agree (18/202)
Are addicts responsible for their addiction?
Addiction looks from one angle like the textbook case of agency failing — a person doing what they don't, in any meaningful sense, want to do. From another angle it looks like agency at work in hard conditions. Which it is depends on what agency is.
The addict is genuinely responsible within a determined order.
On this view, the addict is acting within a determined order but is genuinely acting — making decisions, endorsing or resisting urges, seeking or refusing help. Responsibility attaches not because some uncaused choice happened, but because the addict is the kind of agent through which …
Roads not taken The addict could have chosen otherwise — that's why recovery is real. (69%) · The addict's behaviour is the outcome of causes; 'responsibility' is a useful fiction, not a metaphysical fact. (10%) · Even if the universe is undetermined, the addict isn't the chooser. (6%)
Distinctive · only 9% of schools agree (18/202)
Should we hold AI systems responsible for what they do?
When an autonomous AI takes an action that harms someone, the question of who or what is responsible — the developer, the operator, the model itself — turns on whether the model is the kind of thing that can be a responsible agent.
The AI can be a genuine agent within determined conditions — and therefore genuinely responsible.
On this view, what makes a being responsible is not indeterminism but the kind of process the being is. An AI that deliberates, considers consequences, can be given reasons, and modifies its behaviour on reflection is doing what responsible agency is, even if its underlying …
Roads not taken An AI without a free will is not the kind of thing that can be responsible. (69%) · An AI's behaviour is fully determined by training and input; 'responsibility' applies if at all to its makers. (10%) · Neither AIs nor anyone else are the locus of free agency; the question is the wrong one. (6%)
Distinctive · only 15% of schools agree (31/202)
Is the universe running out of usable energy?
The heat death of the universe — entropy maxed out, no further work possible — is among the more sobering implications of mainstream physics. Whether it is structurally inescapable depends on what kind of finitude the cosmos has.
Both time and matter are unbounded; 'running out' is misframed.
On this view, the cosmos has neither a temporal horizon nor a material exhaustion point. The framing of running out presupposes bounds that the cosmos doesn't have. Energy gradients perpetuate; new configurations emerge; the categories that make heat-death scary don't apply at the cosmic scale.
Roads not taken Time is unbounded but matter is finite; usable energy can fail without time failing. (47%) · Time both has and lacks bounds depending on the level you ask at; finitude is conventional. (26%) · The cosmos has bounds; heat death is a real horizon. (12%)
Distinctive · only 15% of schools agree (31/202)
Are natural resources fundamentally finite, or only practically so?
Whether we can grow our way out of resource constraints — or whether the cosmos sets limits the economy ultimately must obey — depends on what kind of finitude matter has.
Resources are practically inexhaustible on cosmic scales; terrestrial limits are engineering.
On this view, matter and time are both unbounded at the largest scales. Terrestrial resource limits are real engineering and political constraints but not metaphysical ones; the cosmos can in principle support whatever expansion intelligence is capable of.
Roads not taken Time goes on but matter is bounded; we are eventually constrained even with infinite time. (47%) · The finitude question is level-dependent; resource ethics happens at the level that constrains us. (26%) · Resources are finite in the strict sense; living well requires accepting the limit. (12%)
4 mainstream positions
Could we owe future generations more than is materially possible to provide? Both time and matter are unbounded; we cannot in principle owe more than is possible. 15% How much weight do future people deserve? Future people are as real as you are — and their interests count for as much. 47% Is regret rational? The past is as real as the present; regret is a real attitude toward a real thing. 47% Do we owe extinct species something we cannot give them? Extinct species are as real as we are; they have standing. 47%
Matter · 7 dilemmas, all mainstream
Is the world created from nothing? Yes — matter was created and is conserved as a real substance. 55% Is the physical world fully real? Yes — the physical world is fully real, mind-independent, persisting. 55% Does matter have intrinsic moral standing? Matter is morally considerable insofar as it is created or conserved good. 55% What is money? Money is a real institution with intrinsic features. 54% What is a nation? A nation is a real moral community with intrinsic character. 54% What makes someone male or female? Sex is a real biological kind with given content. 54% Should we edit the human germline? Human nature is a real biological kind given by reproductive biology or by creation; editing the germline transgresses what is given. 54%

Observer · 37 dilemmas · 3 distinctive

Mind, agency, and the knower's relation to the known.

Distinctive · only 6% of schools agree (12/202)
Is reality fundamentally digital?
Pancomputationalism, Planck-scale quanta, simulation theory and Kabbalistic letter-mysticism all say yes — but for very different reasons. The rest of the atlas says no.
Yes — but divinely-discrete: divine letters, momentary cognitions, atomistic theism.
On this view, the world is at bottom discrete, but the units are not bare bits. They are divine names, momentary cognitions, karmic atoms, sacred letters — the elementary acts of a creating or ordering agency. Discreteness is real and fundamental, and so is the …
Roads not taken No — continuous divine sustaining act, the Tao that knows no joints, the One's self-disclosure. (44%) · No — continuous fields, classical limits, analog deep structure. (37%) · Yes — bits, quanta, computational substrate. (13%)
Distinctive · only 6% of schools agree (12/202)
Are there indivisible units of experience?
Whiteheadian actual occasions, Buddhist moments of mind, Kabbalistic letter-cognitions, IIT phi-units — or the unbroken Jamesian stream? The atomism of experience cuts across naturalism and theism alike.
Yes, theistic atomism — actual occasions, divine letters, momentary cognitions.
On this view, the atoms of experience are not bare quanta but agent-laden moments: Whiteheadian actual occasions in which subjectivity and the divine lure meet, Kabbalistic letter-cognitions in which divine names act, Buddhist Abhidharma moments of mind, tantric ksana. The discreteness is real and so …
Roads not taken No — continuous divine presence; consciousness is the unbroken witness. (44%) · No — continuous Jamesian stream, phenomenological lived time. (37%) · Yes — naturalist quanta of experience. (13%)
Distinctive · only 6% of schools agree (12/202)
Is memory stored or reconstructed?
Engrams and traces — or continuous re-narration each time you remember? The cognitive-science debate has a theological cousin: divine memory holding each hair, or the ancestors' continuous remembering.
Stored — in divine memory's discrete particulars, or in karmic-record units.
On this view, memory is held in discrete particulars by an agency: the Lord who knows each hair, the karmic ledger that records each act, the angelic scribe who writes each deed, the Kabbalistic letters that spell each soul. Storage is real; the storer is …
Roads not taken Held in continuous divine or ancestral remembering — neither stored discretely nor purely reconstructed. (44%) · Reconstructed — continuous re-narrating, no fixed engrams. (37%) · Stored — discrete engrams, traces, weights. (13%)
28 mainstream positions
Could causation work backwards? Causation runs one way — the arrow of time is real and structural. 68% Is the asymmetry between memory and anticipation a real feature of time, or just of us? The asymmetry is real because time itself has a real direction. 68% Is the arrow of time a real feature of the cosmos, or only of how we describe it? The arrow is real and structural; the asymmetry isn't an artifact of description. 68% Is environmental damage ever truly permanent? Damage is real and permanent on the relevant timescales. There is no recovery; there is only limitation. 66% Can a civilization recover from collapse? Civilizational complexity is hard to build and easy to lose; recovery is at best partial. 66% Does the second law of thermodynamics mean something morally? Entropy is what time is. The moral weight, if any, is the weight of working against the current. 66% When does a person begin? A person exists from conception — when a new being comes into existence. 54% What is marriage? Marriage has a given form — it’s a kind of thing we recognize, not make. 54% What is our place in nature? Active in a real nature — we cultivate, steward, transform. 48% Should we colonize space? Cultivating worlds beyond Earth is the next form of stewardship. 48% Is genetic engineering of food stewardship or domination? Genetic modification is cultivation by other means. 48% What happens to "you" when you die? A soul continues into another mode of being. 37% Can prayer for someone far away affect them? Prayer reaches because God or a cosmic ordering acts on the prayed-for. 37% Are coincidences ever more than coincidence? What looks like coincidence is providence — there is no such thing as a real coincidence. 37% Are the dead morally present to the living? The dead are present through divine memory, communion of saints, or ancestor presence. 35% Is divine omniscience compatible with human freedom? The human observer is in time, but God's vantage is not — and foreknowledge is not foreordering. 33% Does meditation reveal something genuinely timeless? Meditation participates in a real eternity — divine or cosmic — that the bounded human observer ordinarily cannot reach. 33% Does prayer change God's mind? God sees from outside time; prayer doesn't change God's mind, but it is part of how providence is enacted. 33% Should we trust expert testimony when we can't verify it? Trust expertise whose conclusions a competent mind can in principle reproduce. 32% Is religious revelation a real source of knowledge? Revelation is evaluable by reason — and not above it. 32% Does an LLM 'know' the things it correctly produces? An LLM can produce correct outputs but not reason to them; useful, not knowing. 32% Could an AI have a mind that matters? No — minds are not the kind of thing we engineer. 30% Do animals have moral standing comparable to humans? Moral standing comparable to humans requires what only humans have. 29% Could a fetal brain organoid in a petri dish be conscious? Without ensoulment, an organoid is tissue, not a person. 29% What makes someone the same person over time? You are a soul — what persists through change is the non-bodily aspect. 29% Is the late-stage dementia patient still the person their spouse married? The soul persists; the cognitive change is the body's, not the person's. 29% If a teleporter copied and destroyed you, would you have survived? The soul accompanies the person; engineering can't transfer it. 29% Does environmental harm in another country bind me morally? Distance doesn't dilute obligation; communion of saints / divine relation spans the cosmos. 29%
6 unaligned
Does history have a direction or meaning? Schools split: 37% / 23% / 19% — How is knowledge of reality produced? Schools split: 25% / 17% / 13% — Is salvation, liberation, or fulfillment individual or communal? Schools split: 15% / 14% / 4% — Is truth universal, tradition-bound, situated, or constructed? Schools split: 65% / 16% / 10% — What kind of religious-theological authority does the tradition recognize? Schools split: 44% / 16% / 14% — Who is the moral primary — the individual, the community, the cosmos, the class, or the species? Schools split: 40% / 28% / 14% —
Information · 4 dilemmas, all mainstream
Is anything truly lost when someone forgets? Information is conserved — the personal pattern is held even when an individual mind loses it. 39% Does deleting your data online destroy something real? Information at the cosmic level isn't destroyed; deletion only obscures access. 39% Could the dead, in principle, be brought back? The information that constitutes a person is conserved; restoration is in principle possible. 39% Is forgiveness ontologically possible? The offense persists ontologically; forgiveness is real moral work, but it doesn't erase what was. 39%
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