Informal Logic Fallacies
Some Turks are not Muslims.
No Hindus are Muslims.
Therefore, some Hindus are not Turks.
What is Fallacy of two negative premises?
A number from 1 to 4 identifying the placement of its middle term.
What is figure?
These terms are distributed in an E statement
What is S and P?
Sound
What is an argument with true premises that is valid?
All Turks are Muslims.
No Hindus are Muslims.
Therefore, some Hindus are Turks.
What is Fallacy of a negative premise and an affirmative conclusion?
the subject term of the conclusion
What is minor term?
2 ways to test syllogism
What are Counterexamples and Rules?
No honors students are rugby players.
Some athletes are rugby players.
Therefore, some athletes are not honors students.
What is a valid syllogism?
Some rocks are granite.
No granite is a sandstone.
Therefore, some sandstones are not rocks.
What is Fallacy of an illicit major?
A three letter description of the types of categorical statements it contains with arranged in standard form.
What is mood?
An argument whose conclusion follows logically from its premises.
What is valid?
Some politicians are corrupt men.
Some corrupt men are Mafia members.
Therefore, some politicians are Mafia members.
What is undistributed middle?
All men are created beings.
Some created beings are angels.
Therefore, some angels are men.
What is Fallacy of the undistributed middle?
a term that within a statement refers to all members of its category
What is a Distributed term?
These terms are distributed in an O statement
What is the P term?
Some professionals are millionaires.
Some millionaires are not lazy men.
Therefore, no lazy men are professionals.
(2 errors)
What is undistributed middle, illicit major?
All whales are mammals.
No canaries are mammals.
Therefore, some canaries are not whales.
What is Fallacy of two affirmative premises and a negative conclusion?
a particular form for organizing categorical statements into an argument
What is categorical syllogism?
Can have truth value but not validity
What is a statement?
Some chefs are not fat people.
No fat person is a contented person.
Therefore, all chefs are contented people.
(3 errors)
What is illicit minor, two negative premises, negative premise and affirmative conclusion?