.. meta::
   :description: Pascal's wager is broken --- here is exactly how, and what survives when the repaired bet is aimed at a finite, checkable, this-world catastrophe: look, don't believe.
   :keywords: Pascal's wager, Pascal's Mugging, decision theory, accidental nuclear winter, existential risk, expected value, many-gods objection, false dichotomy, audit the math
   :author: LLoL as Laurence Loewe of Laodicea, ClaudeOp46-48Max, and Everyone
   :og:card:title: Nuclear Winter Wager<br>Inverting Pascal's Wager
   :og:card:description: Strip Pascal's infinity, the forced binary, and aim the bet at accidental nuclear winter. Then it's no longer "believe me" --- it's "look!"

.. TODO AA: Page maturity --- update StayC when reviewed
   Page status: MM_v1_2026m06d18 (Claude port of balospe-launch DesignDocs/pascal-inversion.DesignDoc.md, expanded into a beginner-teacher-expert ladder; first LLoL review to MockupModel quality 2026m06d18 --- not yet deeply vetted)

.. TODO AA: Open items for this page
   - [ ] LLoL review of the beginner ladder, the "overlap" argument (c), the corrected grid, and the EDEN ledger for accuracy + tone
   - [ ] Decide whether to add a cross-link from crisis/science.rst's "Nuclear Winter Wager" section to this deeper audit
   - [ ] Reconcile crisis/science.rst (~line 84, "regardless of the probability you personally assign") with the expected-value-not-dominance framing used here


**********************************
Nuclear Winter Wager, Audited
**********************************

Pascal's wager is famously broken. Here is exactly how it breaks --- and what
survives when you strip away the infinity, drop the forced "my God or none," and
aim the repaired bet at a finite, this-world catastrophe whose odds you can check.
The repaired wager does not ask you to believe. It asks you to look.

.. container:: fineprint

   by LLoL (concept, prompts, first review to MockupModel quality, 2026m06d18),
   Claude Opus 4.8 Max (drafting), on the shoulders of Everyone who came before. 
   This is reviewed MockupModel version 2 (MMv2), not a final, deeply-vetted version.
   That simply means, especially on this page: don't believe it. Audit it.*

.. admonition:: Pick your depth
   :class: tip

   **Beginners and teachers:** the first three sections --- *the stakes*, *Pascal in
   plain terms*, and *the everyday logic underneath* --- are the whole idea, no
   philosophy required. **Skeptics and experts:** the audit in full follows --- every
   serious objection stated at maximum strength, then tested, with a HELD/BREACH
   ledger. Either way the verdict is the same: the naive two-box version of this bet
   really does break (**BREACH**); a disciplined version does not (**HELD**) --- and
   what survives is not "believe me," it is "look."

   **In a hurry, or want to share it?** The same idea in tweet-sized beats is the
   :doc:`Nuclear Winter Wager thread </blog/posts/2026-06-18-nuclear-winter-wager-thread>`;
   a personal *why now* is :doc:`The Day After June 17 </blog/posts/2026-06-18-the-day-after-june-17>`;
   and a top-level overview of the cause in one place is
   :doc:`a 30-second, 5-minute, or 72-minute read </buy-in/campaign/intro-gofundme>`.

.. admonition:: Secular first --- no theology required
   :class: note

   Everything below stands on decision theory and public data; you do not need to
   share any faith to weigh it. Pascal appears only as the most famous worked
   example of betting under uncertainty. (If you also want the ancient-text lens
   that LLoL actually came in by, it is one click deeper in
   :doc:`Prophecy </crisis/prophecy>` --- none of that is needed here.)


What's at stake --- the evidence, up front
==========================================

Accidental nuclear winter is a civilisation-scale catastrophe we could stumble into
*by mistake* --- not on purpose, the way most disasters actually happen. On current
trajectories the model puts the yearly chance at **worse than 1 in 40**, calibrated
to four widely accepted Cold-War near-misses in forty years. On those numbers most of
us alive today are **likelier to die in an accidental nuclear winter than in a car
crash** --- and the longer the game runs, the worse the odds you have dodged it:

.. image:: /_file/pdf/gnp/mmv3/supporting-doc/sd1/fig/forecast-mad-nuke-winter-stochastic-inevitability-michaelis-menten-iv_llol_qqv2_2026m03d02-fig.webp
   :alt: Extinction by Nuclear Roulette --- forecast of the waiting time to accidental nuclear winter
   :align: center
   :width: 80%

That number is not a slogan. Open it, move the inputs, and try to break it --- the
:doc:`actuarial forecast </crisis/science>`, the
:doc:`SD1 poster </good-news-pack/vv/mmv3/supporting-doc/sd1/index>` (model, rates,
sensitivity scenarios, simulation code), and the
:doc:`Matheo-b16 RiskyMAD study </study/matheo/b16/b16-form-riskymad-mmv5>`.

.. container:: fineprint

   And it is **not** a counsel of despair. The same model shows a checkable way
   *out* --- a step-ladder up from today's gamble toward a
   :doc:`ResearchCity </solution/researchcity/index>` that stabilises the system
   instead of betting it. The point here is small but load-bearing: an alternative
   *exists, and it needs checking.* The first move is the cheap one ---
   :doc:`#AuditTheMath </action/audit-the-math/index>`.

So why frame any of this as a *wager* at all --- isn't that just Pascal's discredited
old bet? That is the fair challenge this page answers, starting from the beginning.


Pascal's wager in plain terms
=============================

You do not need any philosophy to follow this. Here is the whole 360-year story in
three steps.

**(a) What Pascal actually said.** Blaise Pascal --- the mathematician who helped
*invent* probability theory --- posed history's most famous bet. You cannot prove God
exists, he said, and you cannot prove God does not. But weigh the stakes: bet on God
and you are right, the prize is *infinite* (eternal bliss); bet on God and you are
wrong, you have lost almost nothing. So, as pure arithmetic, believe. It was the
first time anyone reasoned about an unknown by weighing an outcome's *size* against
its *chance* --- a genuine breakthrough, even though the conclusion was about faith.

**(b) Why it breaks --- the "many gods" problem.** The bet has a famous hole. "God"
is not one clearly-labelled option. *Which* God? A devout believer in another
tradition, reasoning exactly as Pascal did, lands on a *different* one. And you can
always imagine a god who does the reverse --- one who *rewards* honest doubt and
*punishes* the hedged, just-in-case belief Pascal is selling. Once there are many
possible gods pulling in different directions, "just bet on God" no longer tells you
*which* way to jump. If all we ever get is a **fractured, partial view** of the
divine, Pascal's clean two-box choice falls apart. On his own terms, this is fatal.

**(c) Why it need not break --- where the views overlap.** But notice *where* that
objection bites: only where the many views of God **conflict**. Where they **agree**,
it has no force at all --- and they agree, strikingly, on a few essentials. *"Love
your neighbour as yourself"* --- and its mirror, *"do not do to others what you would
hate done to you"* --- turns up, in nearly the same words, in Judaism, Christianity,
Islam, Hinduism, Buddhism and Confucianism, and, with no deity at all, in plain
secular ethics. On *that* common ground the views do not pull apart; they point the
same way.

So the many-gods objection wrecks a bet on *whose* God --- but not a bet aimed at
what the views *share*. And the deepest shared ground of all needs no agreement about
God whatsoever: **that the accidental death of billions of our neighbours would be a
catastrophe worth preventing.** A believer of any tradition and a committed atheist
stand together there. A bet aimed *there* does not break.

That is the move in one sentence: **stop betting on which view is right, and act on
what they overlap on.** Hold on to it --- the rest of this page is essentially the
same move applied to probabilities of disasters instead of gods.

Two fair worries remain, and they deserve straight answers:

- *Isn't this just a scare --- a tiny chance of an enormous disaster, used to
  stampede me into paying?* (Philosophers even have a name for that trick: **Pascal's
  Mugging**.) The answer is the number. It is not tiny and not invented: **worse than
  1 in 40 a year**, calibrated to real history, and laid out so you can open it and
  attack it.
- *Doesn't a "wager" still demand a leap of faith?* No --- and that is the whole
  inversion. Pascal's bet *needed* faith because its payoff (an afterlife) could never
  be checked. This one needs none, because it *can* be checked. The move it asks of
  you is not "believe." It is "look."


The boring part that actually works
===================================

Strip the theology away and Pascal's real discovery is almost *dull* --- which is
exactly why it is reliable. It is the logic you already use every day:

- A smoke alarm goes off at 3 a.m. You do not *know* there is a fire. You get up
  anyway --- because checking is cheap and being wrong is fatal.
- A doctor suggests a test for something serious but treatable. You take it --- not
  because you are certain you are ill, but because the stakes and the odds make
  looking the obvious move.

That is the whole engine: **when an outcome is bad enough, and checking is cheap
enough, you check --- even when you are far from sure it is real.** You weigh an
outcome's *size* together with its *chance*. No faith required; you do it for smoke
alarms.

Pascal's mistake was not the engine --- it was forcing it into *two boxes* ("God or
no God"). Real choices are almost never two boxes. So extend the same logic to the
world as it actually is --- **many possibilities at once** --- and watch one move
handle all three:

- **Many views of God?** Don't bet on one and hope. Act on what they **overlap** on
  (the step above).
- **Many possible catastrophes** --- pandemics, runaway AI, climate tipping points,
  nuclear winter --- competing for scarce attention? Don't choose by gut. Rank them:
  how *big*, how *neglected*, how *fixable*. Accidental nuclear winter scores high on
  all three --- civilisation-scale, badly under-watched, and with a concrete way to
  change the game. (That makes it *a* top neglected risk --- never the claim that it
  is the only one, or the biggest.)
- **Don't even know the exact odds?** You don't have to. Pick the move that comes out
  best across the **whole range** of odds any honest person would grant.

These are the **same move three times**: when you are uncertain, don't gamble
everything on one guess --- find the action that holds up *across* your uncertainty,
and take it. For the divine, it is the shared ethic. For the threats, it is the
big-neglected-fixable one. For the odds, it is the cheap, informative first step:
**look.** That robustness --- not a leap of faith, and not a frightening number ---
is what makes this wager hold.

Everything below is the rigorous proof that it does. Beginners can stop here with the
whole idea intact; skeptics and experts, read on --- the objections get no gentler.


The charge, at full strength
============================

*(The audit in full. If you came to attack the argument --- welcome; that is the
point. Here is the attack at maximum strength, before any answer.)*

There are really **three** distinct objections, not one, and a serious case has to
survive all three.

**(A) The many-gods / false-partition objection.** Pascal's matrix splits the world
into "my God exists" versus "no God." That partition is arbitrary and not exhaustive:
the second column silently hides countless rival gods, some of whom *punish* the very
belief Pascal recommends (Diderot: an imam could reason exactly the same way; Cargile
sharpens it --- for *every* real number you can posit a god who rewards only those who
contemplate it). Because the choice of partition drives the verdict, the argument
settles nothing. *Ported charge:* "your nuclear grid has the same disease ---
*real vs not-real* and *act vs ignore* are arbitrary binaries."

**(B) Pascal's Mugging** (Yudkowsky 2007; Bostrom 2009) --- the attack a numerate
reader reaches for first. A mugger promises an astronomical payoff at a tiny,
ungrounded probability; naive expected value then "forces" you to pay. *Ported
charge:* "you are waving a civilisation-scale catastrophe to extract $8 on a
probability you cannot really justify."

**(C) The coercion / false-simplicity objection** (the deepest). *Any* "bounded
downside, unbounded upside" framing is a rhetorical device that short-circuits
thought; a clean 2x2 is *inherently* a false partition, because real decisions under
uncertainty are high-dimensional resource allocations, not two boxes. *Ported
charge:* "the moment you dress a cost-effectiveness estimate as a *wager*, you have
chosen seductive simplicity over rigour --- the very oversimplification the project
claims to oppose."

If any one of these stands undefeated against the *shipped* argument, leading with a
wager would be reckless. So each is answered below --- not waved away.


Why Pascal's wager actually fails
=================================

Pascal's matrix (*Pensées*, Lafuma 418) tells you that you are already "embarked" and
must bet:

.. list-table::
   :header-rows: 1
   :widths: 24 38 38

   * -
     - God exists
     - God does not
   * - **Wager for**
     - +∞ (salvation)
     - a small finite loss (some foregone pleasures)
   * - **Wager against**
     - a loss of ∞ (damnation)
     - a small finite gain

The **sound core** is just correct decision theory: under uncertainty, weigh each
outcome by *both* its probability and its size. Pascal essentially invented
expected-utility reasoning, and that part is not the problem. **Two specific defects**
are:

- **Defect 1 --- formal invalidity from the infinity.** Because salvation is set at
  **+∞**, *any* strategy with a non-zero chance of eventually believing also scores
  **+∞** (half of infinity is still infinity). So "wager for God" is not *uniquely*
  rational --- "believe only if a coin lands heads," or almost any act read as a mixed
  strategy, scores +∞ too. An argument that endorses every action endorses none
  (Hájek 2003, building on Duff 1986 and Jeffrey 1983).
- **Defect 2 --- the partition cannot be ranked, again because of the infinity.** The
  many-gods objection on its own is survivable --- with finite stakes you would simply
  compare the rival hypotheses. What makes it *fatal for Pascal* is that every god
  ties at +∞ and every hell at the same infinite loss, so expected value **cannot rank
  them** and cannot break the tie.

The load-bearing observation: **both lethal defects are caused by the infinite
payoff.** Pascal needed the infinity for rhetorical force --- "infinite gain dwarfs
any finite cost!" --- but the infinity is exactly what detonates the argument.


The inversion: what survives the move into this world
=====================================================

The Nuclear Winter Wager changes **four** things about Pascal's bet at once. His was
*infinite, otherworldly, faith-based, unverifiable*. This one is **finite,
this-worldly, evidence-based, checkable.** The first swap --- infinite to **finite**
--- is the decisive one:

   Both fatal objections to Pascal depend *entirely* on the infinite utilities. With
   finite payoffs, mixed strategies no longer blow up (half of 100 plus half of
   something finite is just a finite number), and rival hypotheses no longer tie at
   infinity (different outcomes have different finite values, so you can simply
   **compare** them).

This is not special pleading; it is what the Stanford Encyclopedia of Philosophy entry
--- written by Pascal's leading modern critic --- says in as many words: going finite
dissolves both the mixed-strategies invalidity and the infinite tie that powers the
many-gods objection. The same source notes, correctly, that going finite "sacrifices
Pascal's core insight about the argumentative weight of infinity." **For this wager
that is the goal, not a loss.** We do not *want* the infinity --- the whole point is
that the stakes are large-but-finite and the probability is grounded in data.

So the strongest form of the charge --- that the fatal flaw "ports straight into this
world" --- does not hold: the *specific* fallacies (the invalidity and the infinite
tie) are infinity-powered, and this wager has no infinity. What the charge is *right*
about is narrower, and it is the next section.


The residue --- answered, not waved away
========================================

Stripping the infinity defeats the *fatal* form of all three attacks, but it leaves a
real, *finite* residue of each. Declaring victory without answering these would itself
be an oversimplification.

**(A′) Finite many-gods = many catastrophes.** Why privilege accidental nuclear winter
over engineered pandemics, misaligned AI, climate tipping points, asteroids? ---
*Answer:* with finite numbers this is **not a paradox**; it is ordinary
**prioritisation**. The existential-risk field already has the tool: rank by
**scale × neglectedness × tractability**. Accidental nuclear winter is singled out not
by fiat but by a defensible claim on all three --- civilisation-scale, badly
under-watched, and with a concrete proposed mechanism for change. **The discipline
this imposes:** the honest pitch is *comparative, never exclusive*. This page does
**not** claim accidental nuclear winter is the only or the biggest risk --- only that
it is *a* top, badly-neglected, cheap-to-check one. (The *literal* many-gods version
of the objection has its own answer --- act on the shared ethic where the views
overlap --- in *Pascal's wager in plain terms* (c) above, and under *Across
worldviews* below.)

**(B′) Pascal's Mugging.** --- *Answer (the single most important one for a numerate
reader):* a mugging needs a **tiny, ungrounded, made-up** probability. This
probability is **non-tiny and evidence-based** --- worse than 1-in-40 per year,
calibrated to the Cold-War near-miss record, and robust across a wide range of
*parameter* assumptions (the result holds whether the per-crisis death probability is
taken as low or high). The distinguishing test is explicit and fair: **"is the
probability cheap talk, or is it calibrated to a data series you can open?"** Here it
is the latter --- set out, with its sensitivity scenarios and simulation code, on the
:doc:`SD1 poster </good-news-pack/vv/mmv3/supporting-doc/sd1/index>` and developed in
the :doc:`Matheo-b16 RiskyMAD study </study/matheo/b16/b16-form-riskymad-mmv5>`. That
is also the honest answer to the lay version, *"you are just fear-mongering"*: no ---
here is the model; try to break it.

**(C′) The clean 2x2 is a false partition of the** *actions* **--- conceded, and fixed
below.** The naive grid's "you acted / you ignored" smuggles in that *acting = funding
this*. That genuinely *is* a false dichotomy in the action dimension, and it genuinely
*is* an oversimplification. The fix is not to abandon the argument but to **partition
the actions honestly** --- and the honest partition recommends not "pay" but "look."

**(D′) "But 1-in-40 is not fixed --- arms control could just lower it."** True in
principle, and it does not weaken the case. The *near-term urgency* is conditional on
roughly-current, hair-trigger conditions (and the trend is **worsening**: more nuclear
states, more crisis pathways). But the *long-term* result is **policy-robust**:
halving the yearly rate only moves the median wait further out; it does not remove the
absorbing "dead" state, because a system that keeps oscillating between safety and the
brink is a repeated game against a small chance of extinction, and the probability of
surviving every cycle still tends to zero. The one move that changes the game --- not
merely the timing --- is to change the game itself, which is what the
:doc:`Jubilee System </jubileesystem/index>` proposes. A genuine reduction would be the
wager's *success*, not its refutation.


Partition it correctly --- and the move that survives
=====================================================

Do not bet on a coin that is "really real" or "really fake." The honest object is an
uncertain probability *p* of catastrophe per unit time, and the rigorous move is not
to pick a partition but to show that the recommended action is the same across the
whole plausible range of *p*. (That is exactly the property Pascal's matrix lacks: his
verdict flips with the partition; this one does not. It is the numbers-version of the
"act on the overlap" move from the plain-terms section --- robustness, not a lucky
guess.)

And the action space is not "fund this / ignore." It is **{ignore, look, commit}**,
and the first question is only *look or not*:

.. list-table::
   :header-rows: 1
   :widths: 22 39 39

   * -
     - It turns out real
     - It turns out not real
   * - **Look** (audit the math)
     - You are among the few who checked in time.
     - You spent an afternoon --- and now you *know*, and can show others why.
   * - **Don't look**
     - You helped sleepwalk into it.
     - You saved an afternoon.

Two honest points about this table --- stated plainly, because over-claiming here
would repeat Pascal's own mistake:

#. **This is not strict dominance.** In the "not real" column, *not* looking saves you
   the afternoon (bottom-right cell). So this is an **expected-value** argument with
   finite, estimable quantities --- *not* a dominance proof, and *not* an infinity
   argument.
#. **But the break-even probability is extraordinarily low**, for two compounding
   reasons: looking costs only an afternoon, and **looking has positive value even when
   the claim is false** --- you can then debunk it and warn others, which is a gain,
   not a pure loss. So for *any* probability above a small threshold, looking is the
   better bet --- and the evidence-based estimate (worse than 1-in-40 per year) sits
   far above that threshold.

The distinction that keeps this from being a Mugging lives exactly here: **the work is
done by the number, not by the size of the catastrophe.** A Mugging leans on a huge
payoff to overwhelm a probability it cannot justify; this leans on a probability you
can open and attack. At vanishing odds the recommendation would *not* hold --- which is
precisely why the number, and your check of it, carries the argument.

**The result, in one line:** strip Pascal's infinity and his forced binary, partition
the actions honestly, and the residue does not say "believe me." It says **"look"**
--- because looking is cheap, is informative whether or not the threat is real, and
wins across the whole plausible range of how likely it is. "Look, don't trust" is
**#AuditTheMath**. The resolution of the wager's own false-partition problem turns out
to be the project's founding move.


EDEN ledger --- HELD / BREACH, attack by attack
===============================================

Two versions of the wager, tested against every attack above. (HELD = the attack was
withstood; BREACH = the attack succeeded.)

.. list-table::
   :header-rows: 1
   :widths: 28 36 36

   * - Attack
     - Against the **naive 2x2 grid**
     - Against the **disciplined "audit the wager" version**
   * - (A) many-gods / false partition
     - **BREACH** --- *real/fake* and *act/ignore* read as arbitrary binaries
     - **HELD** --- the recommendation is invariant across the plausible range of *p* (and, for the literal many-gods reading, rides the *shared ethic* where views overlap), plus an explicit comparative (scale × neglectedness × tractability) framing
   * - (B) Pascal's Mugging
     - **BREACH** --- looks like "scary number, therefore give $8"
     - **HELD** --- the probability is calibrated and attackable, not tiny and ungrounded; and the ask is *look*, not *pay*
   * - (C) coercion / oversimplification
     - **BREACH** --- a clean 2x2 *is* the oversimplification
     - **HELD** --- the grid is demoted to an *illustration*; the real object is the checkable model, and the page says "audit it, don't trust the framing"
   * - formal invalidity (Pascal's own)
     - not applicable (no infinity)
     - **HELD** --- finite expected value, no mixed-strategy blow-up
   * - morality objection (rewarding honest doubt)
     - ---
     - **HELD, and it inverts in our favour** --- this rewards *checking*, the honest act; a God who valued honest reasoning would approve of #AuditTheMath

**Is it an open question?** No --- it is decidable, and decided: the naive grid is a
**BREACH**; the disciplined version is **HELD**. In EDEN terms the naive grid sits on a
**Knife Edge** (its verdict flips with how you frame the partition --- the signature of
a brittle argument), while the disciplined version is a **Green Meadow** (many honest
framings all converge on "look," because it rests on robustness and a checkable number,
not on a chosen partition). The only genuinely open variable is *rhetorical*: the word
"Pascal" can prime a reflex dismissal in a sharp reader before they reach the fix ---
which is why this page names the flaw first.


Across worldviews and disciplines
=================================

A global debate will come at this from more than one direction. The same backbone ---
finite, checkable, "look not pay" --- answers each, but it is worth saying how.

- **Analytic philosophy / the "Pascal is broken" tradition.** Agreed --- and that
  agreement is the point. The fatal objections (mixed-strategy invalidity, the infinite
  tie) are honoured here, not dodged; they simply do not survive the move to finite
  stakes. What remains is the part even the critics grant: weigh outcomes by
  probability *and* size.
- **Decision theory / the rationalist and effective-altruism reader.** The live worry
  is Pascal's Mugging. The reply is a *test*, not a reassurance: a calibrated, openly
  published probability is not a mugging. And the comparative
  scale–neglectedness–tractability framing is exactly this reader's own tool --- used
  here without claiming this risk is the largest.
- **Faith traditions (of any name).** No theology is asked for or smuggled in --- and
  the many-gods objection, far from sinking this, is answered the way the traditions
  themselves converge: on the shared commitment not to let one's neighbours be
  destroyed. This wager rides on that **overlap**, not on whose God is real, so no one
  has to abandon their fuller view to act on it. If anything the old *morality*
  objection to Pascal *inverts* here: this bet rewards honest *checking*, which most
  traditions prize as a virtue, not credulity.
- **The Global South, and anyone wary of another wealthy-world cause.** The framing is
  deliberately comparative, not "this risk above your urgent needs." And the funding
  model is built against capture: contributions are
  :ref:`capped against influence-buying <buy-in-50pct-giveaway>`, with **half given
  away to others in urgent need now**. The ask is to *look*, never to defer present
  needs.
- **The hostile sceptic looking for a grift.** Everything load-bearing is built to be
  opened and attacked, the ask is to audit rather than to pay, and the campaign caps
  its largest possible contribution far below the scale at which anyone could buy it. A
  claim you cannot check is worth nothing here --- including this page's own framing.

Underneath all of them is one structural fact: the recommended action --- *don't let
the world sleepwalk into mass death; look first* --- sits in the **overlap** of
essentially every worldview, theist or atheist. That is the deepest form of the
robustness this whole page rests on: a choice that is right across the full range of
what reasonable people disagree about. This also passes William James's classic test
for when a wager-style choice is even legitimate --- a *living, forced, momentous*
option --- without leaning on any of the moves that make Pascal's own argument fail.


The move is "look"
==================

If the wager holds, it does not end at "believe me" --- it ends at a task anyone can
start:

- **Look.** Open the forecast and try to break it: the
  :doc:`actuarial forecast </crisis/science>`, the
  :doc:`SD1 poster </good-news-pack/vv/mmv3/supporting-doc/sd1/index>` (states,
  calibrated rates, sensitivity scenarios, and the simulation code), and the
  :doc:`Matheo-b16 RiskyMAD study </study/matheo/b16/b16-form-riskymad-mmv5>` for the
  rigorous treatment.
- **Then --- only if you were convinced**, and as a *later, softer* step, never the
  thing the grid "proves" --- there is a capped, give-away-first way to help fund the
  review: the :ref:`~$8-per-person-per-year ask <buy-in-8-dollar-ask>`, with
  :ref:`half of everything given away <buy-in-50pct-giveaway>` and a hard ceiling
  against capture.

The companion :ref:`Nuclear Winter Wager <nuclear-winter-wager>` section states the
short, decision-first version of the same case; this page is the deeper audit of the
bet *itself*. Both land in the same place: **don't trust me --- audit it.**


.. TODO AA: repoint the canary/MADI link below from /buy-in to the dedicated ported
   fundraiser page (canary / MADI candidacy) once another agent finishes building it.

Who watches the watcher?
========================

The tweets that may have sent you here raise a fair follow-up: if someone is going to
watch a risk this big, *who watches them?* That is a design problem, not a popularity
contest. The proposal inverts the usual arrangement: instead of one watcher over
everyone (the Big-Brother default), build a **transparency standard** that lets everyone
watch the watcher --- contributions capped so no one can buy influence, half of
everything given away, mistakes logged in the open, every critique invited and answered.
Whoever holds the role --- a "canary in Earth's mine," a *Mutually Assured Destruction
Inhibitor* --- is then accountable to all, and replaceable by anyone who can do it
better.

LLoL volunteers only as a *backup candidate of backup candidates:* not because he is the
right person, but because the seat is empty and the clock is running. If someone
better-placed brings a worked-out version, he will audit their math and gladly follow.
The point is the **role and its guardrails, not the person in it** --- which is exactly
why it must be built to be watched. How the role and the standard could work is sketched
on the :doc:`buy-in page </buy-in/index>` (a dedicated write-up is in preparation).


Sources and further reading
===========================

- A. Hájek, "Pascal's Wager," *Stanford Encyclopedia of Philosophy*
  (`plato.stanford.edu/entries/pascal-wager <https://plato.stanford.edu/entries/pascal-wager/>`__)
  --- the many-gods objection, the mixed-strategies invalidity, the finite-utility
  escape, and the morality objection.
- A. Hájek (2003), "Waging War on Pascal's Wager," *The Philosophical Review* 112(1)
  (with Duff 1986 and Jeffrey 1983) --- the formal-invalidity argument.
- N. Bostrom (2009), "Pascal's Mugging," *Analysis* 69(3); the term was coined by
  E. Yudkowsky (2007) --- the tiny-probability / huge-payoff exploit of naive expected
  value.
- D. Diderot (1746), *Pensées philosophiques* (the origin of the many-gods objection),
  and J. Cargile's real-number-indexed sharpening of it.
- W. James (1896), "The Will to Believe" --- a genuine option is *living, forced,
  momentous*; a useful test for when wager-style reasoning is even legitimate.
- On the cross-traditional **"Golden Rule" / ethic of reciprocity** (step (c)): the
  comparative-religion literature documents "love your neighbour as yourself" and its
  negative twin across the major traditions (see, e.g., Karen Armstrong's 2009
  *Charter for Compassion*).
- The effective-altruism / existential-risk **importance–tractability–neglectedness**
  frame for choosing among many catastrophes under finite resources.


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   - :doc:`The actuarial forecast </crisis/science>` and its :ref:`Nuclear Winter Wager <nuclear-winter-wager>` section
   - :doc:`SD1 poster </good-news-pack/vv/mmv3/supporting-doc/sd1/index>` and the :doc:`Matheo-b16 RiskyMAD study </study/matheo/b16/b16-form-riskymad-mmv5>`
   - :doc:`The Jubilee System </jubileesystem/index>` --- the way to change the game
   - :doc:`Buy in to fund the review </buy-in/index>` --- capped, with half given away


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