How Can Evolutionary Facts Inform Human Values Without Dictating Them?

Our discussion of progressive evolution, which we more precisely call limited progressive evolution, raises an unavoidable philosophical question:

If evolutionary research discovers recurring facts about how living and human systems develop, cooperate, adapt, flourish, fail, or collapse, can those facts legitimately tell us anything about what human beings should do?

For centuries, one of the most influential cautions against such reasoning has been associated with David Hume and later discussions of the naturalistic fallacy.

The warning is important.

But it is often stated much more broadly than the underlying logic requires.

For this reason, we use the term limited evolutionary normativity to describe a carefully restricted way in which reliable evolutionary facts may legitimately contribute to human decisions, values, norms, and behavior without assuming that whatever evolution produces must therefore be morally good.

 

The Naturalistic Fallacy: An Essential Warning

A simplified version of the classic objection says:

You cannot derive an “ought” solely from an “is.”

For example:

Evolution sometimes favors competition.
Therefore humans ought to compete.

That conclusion does not logically follow.

Neither does:

Evolution sometimes favors cooperation.
Therefore humans ought to cooperate.

Evolution has produced cooperation and competition, integration and fragmentation, increasing complexity and simplification, mutual aid and exploitation, adaptation and extinction.

The mere fact that a trait, behavior, institution, or strategy occurs in nature, evolved historically, or contributed to reproductive success does not establish that humans should imitate it.

We accept this warning.

Limited evolutionary normativity does not claim that evolutionary facts alone create moral obligations.

 

Where the Strong Version of the Is-Ought Barrier Goes Too Far

Problems arise when the naturalistic-fallacy argument is expanded into a much stronger proposition:

Facts about nature or evolution can never legitimately help determine what humans should do.

We do not accept that stronger claim.

Human decision-making almost never begins with facts alone.

Humans already possess goals, needs, values, commitments, purposes, and preferences.

We value such things as survival, health, knowledge, freedom, meaningful relationships, reducing unnecessary suffering, protecting children, maintaining viable communities, preserving opportunities for future generations, and many other things.

Once some value or goal is accepted, facts can become critically important in determining what acting consistently with that value actually requires.

Consider a simple example.

Suppose we value preserving human life.

If reliable evidence then demonstrates that a particular action will cause preventable deaths, while another available action will prevent them, those facts are directly relevant to what our existing value requires us to do.

The factual information did not create the original value.

But it changed the practical consequences of holding that value.

This distinction is fundamental.

Facts alone do not necessarily tell us what to value. But facts can tell us what our values require under particular conditions.

That is the starting principle of limited evolutionary normativity.

 

A Simple Formula

Our reasoning can be expressed as:

VALUE OR GOAL

plus

RELIABLE FACTS ABOUT REALITY

plus

A DEMONSTRATED CAUSAL RELATIONSHIP

plus

CONSIDERATION OF COMPETING VALUES, COSTS, AND ALTERNATIVES

can produce

A CONDITIONAL AND REVISABLE “OUGHT”

For example:

Value: We want human civilization to remain viable while protecting human dignity and individual agency.

Evolutionary finding: Under specified conditions, sustained large-scale cooperation requires mechanisms that restrain destructive internal exploitation and conflict.

Causal application: Particular forms of unregulated conflict or exploitation can destroy the cooperative systems on which civilization depends.

Practical conclusion: If we remain committed to a viable civilization that also protects dignity and agency, we have reason to develop institutions that reduce those destructive forms of conflict while avoiding unnecessary coercion and preserving diversity, experimentation, and individual freedom.

The evolutionary fact has contributed to the ought.

But it has not manufactured the ought from nothing.

The value premise remains visible.

 

LIMITED EVOLUTIONARY NORMATIVITY
Explicit Value/Need → Reliable Fact → Causal Connection → Competing-Values Check → Conditional Ought → Feedback & Revision

 

John Stewart and Evolutionary Values

Evolutionary theorist John Stewart makes essentially this distinction in his discussion of the naturalistic fallacy.

Stewart agrees that the fact that evolution favors a behavior does not establish that humans should adopt that behavior.

His stronger argument is that humans already possess values, and reliable knowledge about evolutionary processes can help us understand what actions are compatible with achieving those values.

Our concept of limited evolutionary normativity incorporates this part of Stewart's reasoning while applying additional safeguards.

We do not automatically accept the stronger proposition that humanity has a scientifically demonstrated obligation to advance an overarching universal evolutionary trajectory.

That would require additional evidence and philosophical argument.

Instead, we ask a more limited question:

What can well-supported knowledge about particular evolutionary processes tell us about achieving goals and protecting values that we have explicitly identified?

 

Limited Progressive Evolution and Limited Evolutionary Normativity

The distinction between these two concepts is important.

Limited Progressive Evolution asks:

Under what particular conditions have evolutionary or developmental systems increased certain capacities?

Examples may include increases in:

• cooperation;
• coordination;
• adaptability;
• cumulative learning;
• information processing;
• division of labor;
• conflict regulation;
• integration;
• resilience;
• innovation;
• and the ability to respond effectively to changing environments.

Limited progressive evolution also examines the opposite processes:

• regression;
• fragmentation;
• maladaptation;
• excessive internal competition;
• loss of cooperation;
• rigidity;
• overspecialization;
• collapse;
• and extinction.

Limited Evolutionary Normativity asks:

If some of these findings are reliable, what might they imply for human choices when combined with explicit human values and goals?

The first concept is primarily descriptive and explanatory.

The second concerns the carefully qualified movement from knowledge toward action.

Neither assumes that evolution itself issues moral commandments.

 

Conditions That Must Be Met

We will treat an evolutionary fact as legitimately relevant to a human "should" or "ought" only when several safeguards are satisfied.

1. The underlying value must be stated openly.

We will not hide values inside supposedly objective scientific language.

If our reasoning depends upon valuing human survival, dignity, agency, freedom, flourishing, ecological viability, future generations, or some other goal, we will state that premise.

 

2. The evolutionary claim must be sufficiently supported.

Broad slogans such as "evolution favors cooperation" are inadequate.

We must ask:

Which type of cooperation?

Among whom?

Under what conditions?

At what organizational level?

By what mechanism?

With what evidence?

With what exceptions?

This is why our broader framework uses limited progressive evolution.

 

3. There must be a credible causal connection.

It is not enough that an evolutionary pattern occurred historically.

There must be good reason to believe that the proposed principle is relevant to achieving the stated human goal under present circumstances.

Analogy alone is insufficient.

 

4. The organizational level must be identified.

Evolutionary advantages can conflict across levels.

Something beneficial to an individual may damage a community.

Something beneficial to one group may harm outsiders.

Something that increases national power may increase danger to humanity.

Something beneficial to present generations may impose severe costs upon future generations.

Therefore we must always ask:

Progress for whom, at what level, over what period, and at whose expense?

 

5. Evolutionary success must never be confused with moral goodness.

A behavior can be evolutionarily successful and morally abhorrent.

A highly coordinated society can be oppressive.

A highly cooperative group can cooperate in exploiting outsiders.

A technologically advanced civilization can destroy its ecological foundations.

Greater complexity, cooperation, intelligence, efficiency, or organizational scale is therefore not automatically better.

Each outcome requires independent evaluation.

 

6. Competing values must be considered.

Suppose greater coordination increases society's ability to solve global problems but also reduces individual freedom.

Neither side of that tradeoff can simply be ignored.

Limited evolutionary normativity therefore does not generate single-value commandments.

It operates within systems containing multiple legitimate needs, values, interests, and levels of organization.

 

7. Alternative ways of achieving the goal must be considered.

Even if an evolutionary principle identifies a necessary function, it does not automatically identify the one correct institution or policy for performing that function.

For example, if successful cooperation requires reducing destructive cheating, many different mechanisms might accomplish that goal.

The evolutionary finding establishes a problem to be solved.

It does not automatically dictate one political, economic, religious, or philosophical solution.

 

8. Conclusions must remain conditional and revisable.

Evolution occurs in changing environments.

Human societies are complex adaptive systems.

What works under one set of circumstances may fail under another.

Therefore the practical oughts generated through limited evolutionary normativity should normally be understood as:

conditional, evidence-sensitive, context-dependent, and open to revision.

New evidence can change the conclusion.

Changing conditions can change the conclusion.

Previously unseen consequences can change the conclusion.

And stronger competing values may sometimes override it.

 

Does This Violate Hume's Is-Ought Distinction?

Not in its strongest and most defensible form.

Hume's warning remains powerful when someone attempts this inference:

FACT → MORAL OBLIGATION

Limited evolutionary normativity instead uses:

VALUE + FACT + CAUSAL RELATIONSHIP + CONTEXT → CONDITIONAL PRACTICAL OBLIGATION

The normative content has not appeared magically.

It was already present in the value, goal, need, or commitment.

What the facts contribute is knowledge about what follows from taking that commitment seriously in the real world.

Accordingly, we do not claim to have disproved Hume.

We claim something narrower:

Hume's is-ought distinction should not be expanded into an absolute prohibition against allowing reliable facts to inform normative reasoning.

Such an absolute separation would produce absurd consequences.

If evidence could never affect what we should do, then discovering that an action would cause a catastrophe would have no legitimate bearing on whether we should perform it.

Human rationality plainly does not work that way.

Knowledge changes responsible action because consequences matter to the values we already hold.

 

Biology Itself May Contain Limited Forms of Normativity

There is an additional philosophical complication.

Living organisms are not merely collections of particles.

They are organized systems with characteristic functions, requirements, vulnerabilities, and conditions necessary for continued functioning.

We can meaningfully say that a heart should circulate blood effectively relative to its biological function, or that an organism requires certain conditions if it is to remain viable.

Philosophers such as Philippa Foot have explored forms of natural normativity grounded in facts about living organisms, their characteristic functioning, needs, and flourishing.

This does not automatically produce human morality.

But it shows why an absolute conceptual wall between every kind of fact and every kind of normativity may be too simple for living systems.

As organization, agency, consciousness, culture, institutions, and reflective reasoning emerge, additional forms of purpose, need, commitment, responsibility, and norm-governed behavior become possible.

The universe does not have to contain moral instructions at the level of elementary particles for normative questions to become real at the level of conscious social beings.

 

Roy Bhaskar and the Fact-Value Boundary

The philosopher Roy Bhaskar challenged a rigid separation between facts and values even more directly.

His critical realism emphasized that human societies contain real causal structures, needs, constraints, beliefs, and mechanisms that can either enable or obstruct human capacities.

Bhaskar argued that social explanations can sometimes become explanatory critiques: discovering that a social structure systematically generates false beliefs, unnecessary suffering, or preventable constraints can provide reasons for changing that structure.

Bhaskar's stronger attempt to move directly from certain social facts toward values remains philosophically controversial.

We therefore use his insight cautiously.

The part most useful to limited evolutionary normativity is this:

In real human systems, factual understanding, human needs, causal explanation, values, and action are often deeply connected even though they remain conceptually distinguishable.

This reinforces our preference for making every part of the reasoning explicit instead of pretending either that facts automatically produce morality or that facts are irrelevant to it.

 

Could Limited Evolutionary Normativity Support Universal Human Values?

This is one of the most important and difficult questions.

We should distinguish between two very different claims.

The first would be:

Evolution scientifically proves a complete universal moral code binding on every human being.

We do not make that claim.

The second is much more plausible:

Facts about the conditions necessary for human and civilizational viability may contribute to the discovery of widely applicable or potentially universal practical norms shared across many religions, cultures, philosophies, and political traditions.

That possibility deserves serious investigation.

Human beings differ enormously in beliefs.

But underneath those differences, humans share many biological, psychological, social, and ecological conditions.

We depend upon habitable environments.

We depend upon sufficiently accurate information to make successful decisions.

We depend upon some degree of cooperation.

We are vulnerable to pain, injury, deprivation, coercion, deception, and violence.

Children depend upon others for long periods.

Human societies depend upon learning and the transmission of knowledge.

Complex societies require mechanisms for managing conflict.

Future generations depend upon decisions made by people living before them.

No religion or philosophy created these conditions.

They arise from what human beings and human societies are.

 

Candidate Cross-Cultural Evolutionary Values

Limited evolutionary normativity therefore allows us to investigate whether some human values can achieve unusually broad support because they are connected to conditions shared across humanity.

Potential candidates include:

Preserve the conditions necessary for continued human viability.

Avoid preventable civilization-scale self-destruction.

Reduce unnecessary suffering where doing so does not produce greater harms.

Maintain sufficiently truthful information systems for successful collective learning and decision-making.

Develop cooperation at the scale required by the problems being addressed.

Constrain forms of competition, exploitation, and conflict that destroy the larger systems upon which participants depend.

Preserve sufficient diversity, autonomy, experimentation, and freedom for learning and adaptation.

Maintain the capacity to recognize errors and revise unsuccessful beliefs, behaviors, and institutions.

Protect ecological conditions upon which human and other life depends.

Consider foreseeable effects on future generations.

Increase the ability of individuals and societies to adapt intelligently to changing conditions.

These are candidate values, not commandments handed down by evolution.

Each must survive scientific, ethical, philosophical, cultural, and practical examination.

But they have an important characteristic:

Their justification need not depend exclusively upon membership in one religion, culture, ideology, or philosophical school.

They can potentially be examined through shared evidence concerning human beings, living systems, complex societies, and the consequences of alternative behaviors.

 

Transcending Worldviews Without Erasing Them

Limited evolutionary normativity is not intended to replace religion, spirituality, philosophy, culture, or other sources of meaning.

A Christian, Buddhist, Muslim, Hindu, humanist, atheist, Indigenous thinker, secular philosopher, or person following another worldview may have very different ultimate explanations for why human beings should care about one another.

They need not agree on those ultimate explanations to discover that certain practical values overlap.

Different traditions may arrive at protecting human dignity for different reasons.

They may value truth for different reasons.

They may value care, reciprocity, stewardship, restraint, justice, cooperation, or responsibility to future generations for different reasons.

Limited evolutionary normativity asks whether scientific knowledge can help identify the shared conditions under which such values can actually succeed.

This creates the possibility of a layer of common practical ethics that does not require agreement about ultimate metaphysical beliefs.

 

From Universal Belief to Universal Conditions

This suggests an important distinction.

A principle does not need to be universally believed in order to concern a universal condition.

Someone can deny that humans require oxygen.

Their disagreement does not remove the requirement.

Someone can deny that a society requires sufficiently reliable information to adapt intelligently.

The consequences of systematically corrupted information remain.

Someone can deny that ecological systems impose limits upon civilizations.

Those limits do not disappear because they are unpopular.

Accordingly, some of humanity's most important practical values may eventually receive stronger foundations by connecting them to objectively discoverable conditions necessary for survival, agency, learning, cooperation, adaptation, or flourishing.

But the movement from those conditions to ethical obligation still requires careful normative reasoning.

 

The Boundary We Will Maintain

Our position can therefore be summarized simply:

Evolution does not dictate morality.

Nature does not automatically tell humans what is good.

Evolutionary success does not equal ethical goodness.

But neither does it follow that:

Evolutionary facts have nothing legitimate to contribute to ethics, values, or human behavior.

Our position is instead:

Reliable facts about limited progressive evolutionary processes can help identify the conditions under which explicitly stated human values, needs, and goals can or cannot be achieved. When those causal relationships are sufficiently established, evolutionary knowledge can contribute legitimately to conditional, revisable practical oughts, provided that competing values, system levels, alternatives, uncertainty, harms, and unintended consequences are also considered.

We call this principle:

Limited Evolutionary Normativity

Its purpose is neither to derive morality mechanically from evolution nor to shield human values from scientific examination.

Its purpose is to connect the two responsibly.

 

Why This Matters for Evolutioneers

Evolutioneers are not asked to accept a doctrine that evolution always progresses or that nature has issued humanity a predetermined moral program.

They are asked to understand something more demanding.

Human beings now possess an unusual capacity to study the processes that formed us, understand some of the conditions under which cooperation and adaptation succeed or fail, anticipate consequences, reconsider inherited values, and intentionally alter aspects of our cultures and institutions.

That capacity creates new possibilities.

It also creates new responsibilities if we already value the outcomes those responsibilities protect.

An Evolutioneer therefore asks:

What do we value?

Why do we value it?

What does the best available evidence tell us about achieving or protecting it?

What evolutionary and developmental processes are relevant?

What other values might be harmed?

What are the alternatives?

At what scale are we reasoning?

What could we be wrong about?

What new evidence would require us to change course?

That is the discipline of limited evolutionary normativity.

It replaces neither ethics nor science.

It requires both.

 

Our Working Principle

For the purposes of our work on limited progressive evolution, we use the following working principle:

An evolutionary fact does not by itself create a categorical moral ought. However, when individuals or societies hold explicit values, goals, needs, or commitments, reliable evolutionary facts can reveal conditions necessary to realize or protect those values. When a sufficiently established causal relationship exists, and after competing values, harms, alternatives, system levels, uncertainty, and changing conditions are considered, those facts can legitimately contribute to conditional, defeasible, and revisable practical oughts.

Or, stated more simply:

Facts alone do not necessarily tell us what to value. But once we know what we value, facts can profoundly change what acting consistently with those values requires.

This is the relationship we will explore between limited progressive evolution and limited evolutionary normativity.

To summarize our position at the Universe Institute on this issue, we provide the following:

An evolutionary fact does not, by itself, create a categorical moral ought. But when people or societies hold an explicit value, goal, need or commitment, reliable evolutionary facts can reveal the conditions necessary to realize or protect that value. Under sufficiently established causal conditions, and subject to competing values, alternatives, uncertainty and ceteris-paribus qualifications, those facts can generate a rational, conditional and revisable practical ought.

For more about this subject and argument

The naturalistic fallacy has been a philosophical controversy for a long time. To see the process, we went through to come to the new position on this controversy and it's relationship to limited progressive evolution, please see the following page.