Show:
Verb of Being
Quantity and Quality
of Universal Statements
Contradiction/Contrariety
Subcontrariety/Subimplication/
Superimplication
Square of Opposition
100
No cows eat meat.
No cows are meat eaters.
100
Most pirates buried their treasure.
Particular Affirmative (I)
100
(Give the contrary statement) Some Kool-Aid flavors are sour.
What is No Kool-Aid flavors are sour?
100
(Give the superimplication) Some frisbees are disc golf frisbees.
What is All frisbees are disc golf frisbees?
100
Both statements cannot be true, but they can both be false.
What is Contrariety?
200
Learning Scripture produces wisdom.
Learning Scripture is a wisdom producer.
200
Every piece of candy was melted on the back seat.
Universal Affirmative (A)
200
(Give contrary statement) No sharks attack whales.
What is All sharks attack whales?
200
(Give the subimplication) No shelves are book holders.
What is Some shelves are not book holders.
200
Both statements can be true, but they cannot both be false.
What is subcontrariety?
300
Several Apollo missions flew on round-trips to the moon.
Several Apollo missions were round-trip to the moon flyers.
300
The ninth graders weren't allowed to attend prom.
Universal negative (E)
300
(Give the contradiction) All truth is God's truth.
What is Some truth is not God's truth?
300
(Give the subcontrary statement) Some toys are Legos.
What is Some toys are not Legos.
300
Given the falsity of a particular statement, the falsity of its corresponding universal is implied.
What is superimplication?
400
A wise man tells the truth.
A wise man is a truth teller.
400
The boys angered their father by releasing 1000 crickets in his Porsche.
Particular affirmative (I)
400
(Give the contrary statement) All carwashes are automatic.
What is No carwashes are automatic?
400
(Give the subimplication) No stray dogs are nice dogs.
What is Some stray dogs are not nice dogs?
400
The truth of a particular statement can be inferred from the truth of the universal with the same quality.
What is subimplication?
500
The wheel came off at high speed.
The wheel was a high speed releaser.
500
Most of the artwork was not burned in the museum fire.
Particular negative (O)
500
(Give the contradiction) Some bees are not honeybees.
What is All bees are honeybees?
500
(Give the superimplication) Some princesses are frog kissers.
What is All princesses are frog kissers?
500
E to I statement.
What is Contradiction?