SYLLOGISM CHECKER

Arguments from public debate

Some hold, some only sound as if they do, and a few hold in form while a starting point is false. Open one, make your guess, then see why.

LAW AND POLITICS

This surveillance bill is invalid?

All laws that violate the constitution are invalid · This surveillance bill is a law that violates the constitution

Senator Jones is a radical extremist?

All radical extremists are people who want to change the tax system · Senator Jones is a person who wants to change the tax system

Representative Smith is not a supporter of Bill X?

All advocates of healthcare reform are supporters of Bill X · Representative Smith is not an advocate of healthcare reform

Product Y is a product that must be banned?

All products that cause minor accidents are products that must be banned · Product Y is a product that causes minor accidents

No tourists are voters?

All voters are registered citizens · No tourists are registered citizens

Taxes were cut?

If taxes are cut, revenue falls · Revenue fell

Crime did not fall?

If a policy works, crime falls · The policy did not work

ECONOMY AND WORK

This city's local commerce suffers?

If a city does not maintain its bridges, its local commerce suffers · This city does not maintain its bridges

The economy is growing?

If the economy is growing, unemployment falls · Unemployment is falling

We raised the minimum wage?

If we raise the minimum wage, some jobs will be lost · Some jobs were lost

Its prices will not rise?

If a company is a monopoly, its prices rise · This company is not a monopoly

Our company is a successful company?

All successful companies are users of social media · Our company is a user of social media

The night shift is slow to triage?

All understaffed shifts are slow to triage · The night shift is an understaffed shift

Our department is underfunded?

All underfunded departments are overcrowded · Our department is overcrowded

HEALTH AND SCIENCE

The patient does not have the disease?

If the patient has the disease, the test is positive · The test is not positive

No medicines are risk-free?

All vaccines are medicines · No vaccines are risk-free

Some breakfast cereals are not healthy?

No foods high in sugar are healthy · Some breakfast cereals are foods high in sugar

Solar power is not a fossil fuel?

No renewable sources are fossil fuels · Solar power is a renewable source

MEDIA AND TRUST

This claim is a conspiracy theory?

All conspiracy theories are rejected by experts · This claim is rejected by experts

Some journalists are criminals?

All criminals are opponents of police surveillance · Some journalists are opponents of police surveillance

Some doctors are not politicians?

No politician is trustworthy · Some doctors are trustworthy

Some politicians are rich?

Some politicians are honest · Some honest people are rich

The alarm did not work?

If the alarm worked, the guards were warned · The guards were not warned

THE TEXTBOOK CASE

Socrates is mortal?

All humans are mortal · Socrates is a human

← Check your own argument