Form A Flashcards
Define argument
A set of statements, one of which appears to be implied by the others.
Define syllogism
A deductive argument with two premises and three terms.
What does it mean that an argument is valid?
In a valid argument, the premises imply the conclusion; if the premises are true, the conclusion must be true.
Circle P next to the words that introduce a premise. Circle C next to those that introduce a conclusion.
For
P
Circle P next to the words that introduce a premise. Circle C next to those that introduce a conclusion.
Thus
C
Circle P next to the words that introduce a premise. Circle C next to those that introduce a conclusion.
Because
P
Circle P next to the words that introduce a premise. Circle C next to those that introduce a conclusion.
Therefore
C
Circle P next to the words that introduce a premise. Circle C next to those that introduce a conclusion.
Since
P
Circle P next to the words that introduce a premise. Circle C next to those that introduce a conclusion.
So
C
Identify the major, minor, and middle terms for the given syllogism. Be careful: The syllogisms are not necessarily in standard order.
Major: ____ Minor:____ Middle:____
Pooh is a bear, and all bears are lovers of honey. so Pooh is a lover of honey
Major: lover of honey
Minor: Pooh
Middle: bear
Identify the major, minor, and middle terms for the given syllogism. Be careful: The syllogisms are not necessarily in standard order.
Major: ____ Minor:____ Middle:____
Sam was not the villain, because the villain was a vile man, and Sam is not a vile man.
Major: villan
Minor: Sam
Middle: vile man
Identify the major, minor, and middle terms for the given syllogism. Be careful: The syllogisms are not necessarily in standard order.
Major: ____ Minor:____ Middle:____
Some trees are edible; therefore the pine is and edible plant, since the pine is a tree.
Major: edible plant
Minor: pine
Middle: tree
Identify the major, minor, and middle terms for the given syllogism. Be careful: The syllogisms are not necessarily in standard order.
Major: ____ Minor:____ Middle:____
Abortion is an legal act, but abortion is murder. Thus, some murder is a legal act
Major: legal act
Minor: murder
Middle: abortion
Identify the major, minor, and middle terms for the given syllogism. Be careful: The syllogisms are not necessarily in standard order.
Major: ____ Minor:____ Middle:____
The ancient writers were clear writers, and no clear writers are poor teacher. Consequently, some ancient writers are not poor teachers
Major: poor teachers
Minor: ancient writers
Middle: clear writers
Identify the mood and figure of the following standard-form syllogism.
No deacons are pastors.
Some pastors are missionaries.
Therefore, some missionaries are not deacons.
EIO-4
Rewrite the given syllogism so that it is in standard categorical form and order. Then, identify the mood and figure of the syllogism on the line to the right. Do not abbreviate.
Some Greek speakers are Latin speakers. Therefore, some Romans are not Greek speakers, because some Romans are not Latin speakers.
Some Greek speakers are Latin speakers.
Some Romans are not Latin speakers.
.: Some Romans are not Greek speakers.
Rewrite the given syllogism so that it is in standard categorical form and order. Then, identify the mood and figure of the syllogism on the line to the right. Do not abbreviate.
No neighbors are aliens, because no neighbors are foreigners, and all foreigners are aliens.
All foreigners are aliens.
No neighbors are foreigners.
.: No neighbors are aliens.
Rewrite the given syllogism so that it is in standard categorical form and order. Then, identify the mood and figure of the syllogism on the line to the right. Do not abbreviate.
Some madmen are quiet people, and no madmen are poets. it follows that some quiet people are not poets.
No madmen are poets.
Some madmen are quiet people.
.: Some quiet people are not poets
Write out the schema for the given mood and figure.
EOO-2
No P is M
Some S is not M
.: Some S is not P
Write out the schema for the given mood and figure.
AIO-4
All P is M
Some M is S
.: Some S is not P
Is this statement true or false?
All counterexamples have false premises.
False
Is this statement true or false?
All counterexamples have a false conclusion.
True
Is this statement true or false?
It is possible to develop a counterexample for a valid syllogism.
False
Show that the given schema is invalid by writing a counterexample.
Some M is P
All S is M
.: Some S is P
Some birds are flamingos
All pigeons are birds
.: Some pigeons are flamingos
HELP Show that the given schema is invalid by writing a counterexample.
All M is P
Some S is not M
.: Some S is not P
All
Some
Some
Show that the given mood and figure is invalid by writing a counterexample.
OAO-1
Some furniture are not chairs
All wooden chairs are furniture
.: Some wooden chairs are not chairs
Show that the given mood and figure is invalid by writing a counterexample.
EOO-2
No mammals are amphibians
Some hamsters are not amphibians
.: Some hamsters are not mammals
Write a counterexample for this invalid syllogism
No writers of lewd articles are decent citizens, but journalists are not writers of lewd articles. Therefore, some journalists are decent citizens
No tigers are fans
Some wolves are not tigers
.: Some wolves are fans
Card 25 and 27 need help. do those before you go on
Card 25 and 27 need help. do those before you go on
