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Belief
A good end does not justify using means that would otherwise be wrong. 0.50 Agree Disagree
If you disagree, this page has a column for you. A reason to disagree that answers: “In a society with laws, a person's goals do not justify breaking the law to reach them”.
Argument TreesHow arguments are scored →
Reasons to agree
Reasons to disagree
| # | Argument | Truth | Conf | Link | Imp | Uniq | Score |
|---|---|---|---|---|---|---|---|
| 1 | Sometimes the ends do justify the means, because a blanket rule against it ignores morally relevant facts about the size of the harm, the chance of success, and the alternatives available.Agree Disagree | 0.50 | 0.00 | 1.00 | 0.50 | 1.00 | -0.00 |
Weight for 0.00 · weight against 0.00 · net +0.00
Each reason is a claim with its own page. Score = sign x (2 x Truth - 1) x Conf x Link x Imp x Uniq, and every column is here so the row can be multiplied out and checked. A reason argued false scores negative and counts against the side it is filed on; a reason nobody has argued yet scores exactly 0, and so does one whose own page has no work behind it.
Wording overlap, unarguedInstitutions granted emergency exception powers expand their use beyond the original emergency against Emergency exception powers, once granted, do not expand beyond their original justification (0.66 alike)
What Would Change the AnswerTruth scores →
Not shown: 20 further inputs, each moving it less than any row shown
Every claim beneath this page held at false and then at true, one at a time, with the whole graph recomputed each time. "If false" and "if true" are where this page’s truth score lands; "Move" is how far apart they are. "If settled" is that same distance with the input’s confidence held at 1, which is what it would be worth once the work behind it is finished, so the gap between Move and If settled is the value of doing that work. This is one input at a time and finds single points of failure; it does not test several inputs moving together, which is how correlated assumptions actually fail.
Evidence LedgerHow evidence is scored →
Supporting
Weakening
| # | Finding | Bears on | Starts at | Truth | Conf | Link | Imp | Score | EVS |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Philosophers from Foot to Thomson have built trolley problem and lifeboat scenarios in which strict adherence to rules about methods produces outcomes that almost everyone judges as worse. Rests on: Nothing observed: no source type recorded, so this claim starts at a coin flip | this belief | 0.50 | 0.50 | 0.00 | 1.00 | 0.50 | -0.00 | 0.00 |
| 2 | Just War Theory, endorsed by international law, most religious traditions, and nearly all moral philosophers, holds that some ends such as stopping genocide or repelling invasion can justify killing that would otherwise be prohibited. Rests on: Nothing observed: no source type recorded, so this claim starts at a coin flip | this belief | 0.50 | 0.50 | 0.00 | 1.00 | 0.50 | -0.00 | 0.00 |
| 3 | Rosa Parks and Gandhi broke the law, and most people now judge their illegal methods as justified by their goals. Rests on: Nothing observed: no source type recorded, so this claim starts at a coin flip | this belief | 0.50 | 0.50 | 0.00 | 1.00 | 0.50 | -0.00 | 0.00 |
Weight for 0.00 · weight against 0.00 · net +0.00
Evidence Verification Score 0.00 · supporting 0.00 · weakening 0.00. 7 of 7 findings have no source type named yet; 7 have no replication count recorded, so each counts as one study.
Findings that can fail empirically. Each has its own page where its accuracy is argued; the source is shown under it. Bears on says which claim the finding is filed under: this belief, or one of its reasons, in which case it reaches this page through that reason's truth score and is counted there. “Starts at” is where a finding's page begins before anyone argues with it, set by what kind of source it is, how many independent replications exist and how many of them agreed. A finding nobody has classified starts at 0.50, and at 0.50 it contributes nothing however often it is listed.
Testable PredictionsEvidence and predictions →
Follows if the belief is true
| Prediction | Truth | Conf | Link | Imp | Contrib. | At stake |
|---|---|---|---|---|---|---|
| Movements and regimes that adopt explicit ends-justify-the-means doctrines show higher rates of atrocity and abuse than comparable rule-constrained ones. By when, and how it is checked: Historical / ongoing; comparative historical analysis of regime ideology vs. documented abuses. | 0.50 | 0.00 | 1.00 | 0.50 | +0.00 | 0.00 |
| Coercive methods justified as emergency necessity, such as torture for time-sensitive intelligence, produce unreliable intelligence on the whole. By when, and how it is checked: Reviewable now; declassified efficacy reviews, e.g. the 2014 Senate Select Committee report on CIA interrogation. | 0.50 | 0.00 | 1.00 | 0.50 | +0.00 | 0.00 |
| Institutions granted emergency exception powers expand their use beyond the original emergency. By when, and how it is checked: 2 to 10 years post-grant; track sunset clauses and emergency-power usage over time. | 0.50 | 0.00 | 1.00 | 0.50 | +0.00 | 0.00 |
| People rate identical ends-justify-the-means actions as more acceptable when their own side performs them. By when, and how it is checked: Reviewable now; survey and vignette experiments measuring partisan asymmetry. | 0.50 | 0.00 | 1.00 | 0.50 | +0.00 | 0.00 |
| Rule-bound institutions outperform discretionary ones on long-run outcomes and on resistance to capture. No deadline or method stated yet. | 0.50 | 0.00 | 1.00 | 0.50 | +0.00 | 0.00 |
Follows if the belief is false
| Prediction | Truth | Conf | Link | Imp | Contrib. | At stake |
|---|---|---|---|---|---|---|
| Some identifiable class of agents reliably predicts consequences accurately enough that judging by outcomes alone beats following rules. No deadline or method stated yet. | 0.50 | 0.00 | 1.00 | 0.50 | -0.00 | 0.00 |
| Removing a constraint on methods in a real domain demonstrably improves outcomes without increasing abuse. No deadline or method stated yet. | 0.50 | 0.00 | 1.00 | 0.50 | -0.00 | 0.00 |
| Emergency exception powers, once granted, do not expand beyond their original justification. No deadline or method stated yet. | 0.50 | 0.00 | 1.00 | 0.50 | -0.00 | 0.00 |
Prediction contribution +0.00 · points at stake 0.00 · 50% of predictions are diagnostic and dated
If this belief is true, what should the world show that it would not show otherwise; if false, what instead? Result so far is the prediction's own page: pending at 0.50, and moving as it comes true or fails. A pending prediction contributes nothing yet; At stake is what it would contribute once settled.
Interests, Not PositionsConflict resolution framework →
Interests of each side
Interests of supporters
Interests of opponents
Primary conflict pair (computed: the interest with the highest Validity x Drives on each side) Members of religious and ethnic minorities need to live under a predictable rule of law that protects everyone equally. (0.50 x 0.50) against Emergency room doctors and first responders need the flexibility to respond to genuine moral emergencies. (0.50 x 0.50). 50% of the paired weight sits on the supporting side. This is the one disagreement actually driving the debate: the product uses validity on purpose, so a cover story cannot lead a side and neither can a worthy need nobody is moved by. Validity is whether the need should be honored, argued on its own page and never by the power of who holds it; Drives is whether the need is really why this side holds its position, settled by what the side does. They are different numbers.
Shared interests
| Both sides need atrocities and unjustified harm to be prevented. | 0.50 | |
| Both sides need some actions to stay prohibited no matter what goal is claimed. | 0.50 | |
| Both sides need to guard against the self-serving moral reasoning that people are prone to. | 0.50 | |
| Both sides need a moral framework that works predictably across people and situations. | 0.50 |
Best compromise
| A tiered rule framework should separate absolute prohibitions (torture, murder of civilians, fraud) from context-sensitive rules (civil disobedience under oppressive regimes), rather than treating every constraint on methods as equally rigid. | Rests on Why difficult | 0.50 |
| Any claimed exception should require democratic or judicial oversight, transparency, and accountability afterward, not the sole judgment of the actor who has an interest in the outcome. | Rests on Why difficult | 0.50 |
| The default should be that means matter and the end does not justify them, with an extremely high burden of proof for any exception that must be met by objective criteria rather than self-assessment. | Rests on Why difficult | 0.50 |
| The saying that the ends justify the means should give way to the principle that ends and means are both open to judgment, asking both whether the goal is actually good and whether the methods are justifiable on their own, rather than letting one override the other. | Rests on Why difficult | 0.50 |
Positions are what people say they want; interests are why. Each interest is a need with a subject (who needs what), and that one sentence is argued two ways that never borrow from each other. Validity asks whether the need should be honored, and is settled on the interest's own page by the mirror test: would the side accept the same need honored for its opponents, and what happens if everyone pursues it? Who holds the need, how many of them there are and how much power they have never count. Drives asks whether this need is really why the side holds its position, and is settled by the side's record, not its rhetoric (the scoring methodology calls it Linkage Accuracy). Score = Validity x Drives. A motive that is real and illegitimate stays in the table with its low validity: it is scored, not deleted, and the same suspicion applies to both sides.
Related Beliefs
- A good end does not justify using means that would otherwise be wrong. (this page)
The other beliefs filed under Core Principles; this one is listed unlinked.
Not filled in yet
| Falsifiability Test | nothing named that would strengthen or weaken this belief if it turned up |
| Objective Criteria | no yardstick both sides would accept in advance has been proposed |
| What Acting On This Would Cost and Gain | no costs or benefits priced yet |
| Logical Anatomy | the claim has not been split into its component parts |
| Media Resources | no books, studies or films weighed |
| Legal Framework | no laws or rulings cited |
| General to Specific | not linked to broader or narrower beliefs |
Parts of the template nobody has filled in here. They are named rather than shown, because an empty table is not a finding, and each one is a reason the confidence above is not higher. A part that takes rows has a form for its first one.
What this page needs right now
| # | The gap | Where it goes | Who is best placed to fill it |
|---|---|---|---|
| 1 | A reason to disagree that answers: “In a society with laws, a person's goals do not justify breaking the law to reach them” | Argument Trees, Reasons to disagree | someone who holds the opposing position |
| 2 | A study, record or dataset for “In a society with laws, a person's goals do not justify breaking the law to reach them”, which rests on argument alone | Evidence Ledger | anyone with the source |
| 3 | A measurement both sides would accept in advance, with the reading each side predicts | Objective Criteria | anyone who can name a yardstick the other side would sign |
Named gaps, read off the tables above, so a newcomer can see exactly where a contribution goes. None of them requires agreeing with the page, and each one links to the form it goes in.
What the numbers are made of
- Share on the agree side
- no scored weight either way
- Confidence
- 33%. Weakest parts: scrutiny 0% · grounding 0%
- Depended on
- ReasonRank 0.0033, 139 of 2173
- Strongest reason for
- In a society with laws, a person's goals do not justify breaking the law to reach them. +0.00
- Strongest reason against
- Sometimes the ends do justify the means, because a blanket rule against it ignores morally relevant facts about the size of the harm, the chance of success, and the alternatives available. -0.00
- What would move this most
- Settling In a society with laws, a person's goals do not justify breaking the…: 0.50 if false, 0.50 if true
- Coverage
- Of 26 scored rows, 26 have no linkage page, 26 have no importance page, 26 have no uniqueness page. This page reads 34 other pages. 34 of them are one-sided or empty: In a society with laws, a person's goals do not justify breaking the law to reach them.; Both the goals and the methods of an action must be judged, not only the outcome.; Having specific rules about acceptable methods produces better outcomes than telling everyone to judge by results.; A person who relies on the law for protection but breaks it for their own vision of the greater good is a hypocrite.; If everyone believed the ends justify the means, the world would be dramatically worse.; Calculating the final result of all of one's actions is impossible, so rules about methods produce good outcomes more reliably than judging each case by its expected results.; If the ends justify the means, there is no meaningful difference between consequences that are foreseen and consequences that are intended, which would erase the distinctions between negligence, recklessness, and intent that any working justice system depends on.; Selfish goals do not justify actions that hurt others, and most people who say the ends justify the means are not pursuing humanity's greatest good but rationalizing something they already wanted to do.; That some extreme cases, such as lethal force in genuine self-defense, change which methods are justified does not show that all ends justify all means.; God will not require people to do evil in order to defeat evil.; Sometimes the ends do justify the means, because a blanket rule against it ignores morally relevant facts about the size of the harm, the chance of success, and the alternatives available.; The worst mass killings of the 20th century (Soviet collectivization, the Maoist purges, the Holocaust) were carried out by people who genuinely believed they were pursuing a necessary good.; John Stuart Mill's rule utilitarianism holds that following rules produces better long-run outcomes than judging each act by its consequences, because rules resist self-serving rationalization.; Under social contract theory (Locke, Hobbes, Rawls), constitutional government rests on the idea that people give up some freedom to act by any means they choose in exchange for legal protection, so reasoning that the ends justify the means is a one-sided breach of that contract.; Research on motivated reasoning consistently shows that people are much better at spotting ends-justify-the-means reasoning in their opponents than in themselves.; Philosophers from Foot to Thomson have built trolley problem and lifeboat scenarios in which strict adherence to rules about methods produces outcomes that almost everyone judges as worse.; Just War Theory, endorsed by international law, most religious traditions, and nearly all moral philosophers, holds that some ends such as stopping genocide or repelling invasion can justify killing that would otherwise be prohibited.; Rosa Parks and Gandhi broke the law, and most people now judge their illegal methods as justified by their goals.; Members of religious and ethnic minorities need to live under a predictable rule of law that protects everyone equally.; Civilians living in war zones need protection from being treated as an acceptable casualty of someone else's greater good.; Criminal defendants and prisoners need moral systems that cannot be easily gamed by anyone who claims good intentions.; Police officers and prosecutors need principled constraints on methods, rather than case-by-case calculation, for the sake of better long-run outcomes.; Emergency room doctors and first responders need the flexibility to respond to genuine moral emergencies.; Judges bound by mandatory sentencing laws need rules that do not produce obviously bad outcomes in edge cases.; Military commanders and intelligence officers need a moral philosophy that matches moral intuition in extreme situations.; Civil servants and soldiers need to keep rigid rule-following from becoming a form of moral cowardice ("I was just following the rules").; Movements and regimes that adopt explicit ends-justify-the-means doctrines show higher rates of atrocity and abuse than comparable rule-constrained ones.; Coercive methods justified as emergency necessity, such as torture for time-sensitive intelligence, produce unreliable intelligence on the whole.; Institutions granted emergency exception powers expand their use beyond the original emergency.; People rate identical ends-justify-the-means actions as more acceptable when their own side performs them.; Rule-bound institutions outperform discretionary ones on long-run outcomes and on resistance to capture.; Some identifiable class of agents reliably predicts consequences accurately enough that judging by outcomes alone beats following rules.; Removing a constraint on methods in a real domain demonstrably improves outcomes without increasing abuse.; Emergency exception powers, once granted, do not expand beyond their original justification..
- Bottom line
- The claim is strongest understood as a default rule that blocks self-serving excuses, not as an absolute ban that overrides all judgment about context. The alternative, judging actions by their outcomes alone, performs far worse in both theory and practice.
Structural Checks
| Finding | How serious | What it means |
|---|---|---|
| Rows that may be the same point twice | worth checking | 1 pair(s) of rows here read alike and no uniqueness page argues the overlap, so each is carrying its full weight. The measure reads wording, not meaning. |
Faults the shape of the argument can show without reading a word of it: a claim used to support itself, a conclusion listed among its own premises, the same page counted twice. None of these changes a score. The wiki also specifies pattern-matching the prose for ten named fallacies; that is deliberately not done here, because a matcher looking for “attacking the person rather than the argument” would fire on the central legitimate argument on this whole site, and a score moved by a regular expression has no page to appeal to.
Scoring EngineTruth scores →
| Quantity | Value | How |
|---|---|---|
| Argument score | +0.00 | argument rows: weight for minus weight against |
| Evidence score | +0.00 | evidence rows: weight for minus weight against |
| Prediction contribution | +0.00 | prediction rows, same signed formula as every other row |
| Belief score | +0.00 | the three lines above added together |
| Positive total | 0.00 | every row whose signed contribution came out positive, from either side |
| Negative total | 0.00 | every row whose signed contribution came out negative, as a magnitude |
| Starting point | 0.50 | where this claim starts before any of its own rows count: Nothing observed: no source type recorded, so this claim starts at a coin flip |
| Weight of the starting point | 1.00 | k x a bounded reward for independent replication, k = 1, capped at 2.0 x k |
| Truth score, argued | 0.50 | (positive + weight x starting point) / (positive + negative + weight) |
| Truth score | 0.50 | argued truth, capped by the weakest load-bearing component that has its own page |
| ReasonRank | 0.0033 | how much of the site depends on this page: rank 139 of 2173. The share of a walk that starts at the 162 beliefs and steps to the pages they read, with a 0.85 chance of stepping on each time |
| Work value | 0.0022 | ReasonRank x (1 - confidence): how much settling this page would be worth to everything above it |
| Completeness | yes | at least one scored reason on each side (an importance page: at least one interest; an interest page: both readings filled) |
Cite this page A good end does not justify using means that would otherwise be wrong. Idea Stock Exchange, belief page good-end-does-justify, truth 0.50, confidence 33%, revision 42c8344 of 2026-10-04. The revision is what makes this quotable: these numbers move as the argument is worked on, and rebuilding that revision reproduces them exactly.
Every number on this page as data: good-end-does-justify.json. Constants: K = 1 · UNARG = 0.5 · DEFLINK = 1 · DEFIMP = 0.5 · DEFUNIQ = 1. A reason placed under a conclusion is presumed relevant until a linkage page says otherwise; the burden is on the challenger. The neutral start for importance, the wiki's own rule.
Every value here is computed from the tables above at build time. Nothing is typed.