Only True Geniuses Can Pass This Deduction Test
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Aristotle is a philosopher. All philosophers are poor. Thus, Aristotle must be poor.
Whenever John is here, Joe is also here. John is not here, so Tom must not be here.
Most drug addicts are depressed people. Most depressed people are lonely. Thus, most drug addicts must be lonely.
Nothing that is cheap is good. Thus, nothing that is good is cheap.
If there is an earthquake, the detector will send a message. No message has been sent, thus there was no earthquake.
James said that everyone loves Jane. Nothing that James has said is true. Thus, nobody loves Jane.
If there is life on Mars, then Mars must contain water. If Mars has ice, it contains water. There is ice on Mars, thus there must be life on Mars.
All roses are flowers. Some flowers fade quickly. Thus, some roses fade quickly.
The government should either spend less or raise taxes. Raising taxes is impossible. Thus, our government should spend less.