Law of Identity
According to the law of identity,
A is ?
A is A
Law of Excluded Middle means the statement is either ____ or _____.
TRUE or FALSE.
"The restaurant opens at five o'clock and it begins serving between four and nine."
... is an example of logical _______
Logical CONTRADICTION!!
This statement violates Aristotle's law of non-contradiction.
The two main branches of logic are...
induction and deduction!
Are syllogisms inductive or deductive?
Deductive
If mother always makes it cloudy at 4pm,
At 4pm, it must be...
Cloudy
Is the following statement valid?
Sarah is hungry, Sarah is also not hungry.
It is not valid because a statement can either be true or false, not in between.
"If an animal is a cat, the same animal cannot be not a cat."
...is an example of logical _______.
Logical CONSISTENCY!!
All dogs have four legs, John's pet is a dog, therefore John's pet has four legs.
This is an example of...
deduction!
If I ride my bike to school, I will need to wake up early for school. If I wake up early for school, I will feel productive.
What is concluded?
If I ride my bike to school, I will feel productive.
If Plato's Allegory of the Cave was created around 380 BCE and has been valid ever since,
In 2022, Plato's allegory of the cave must still be...
Valid
Is the following statement valid?
Tyler is strong, he is not weak.
It is valid.
Did the dentist inform their client with a contradicting statement?
"You can come in for a cleaning at 3 p.m, by the way the clinic opens at 4p.m"
Yes, the statement is contradicting
In the past, ducks have always come to our pond. Therefore, the ducks will come to our pond this summer.
This is an example of....
induction!!
No cats are fashion designers
No dogs are cats
Therefore, dogs are fashion designers.
Is this valid? Why or why not?
It is not valid.
Two negative propositions can never result in a
positive conclusion.
Is Sarah still Sarah, if there is another person named Sarah?
Yes
Is the following statement obeying the law of excluded middle?
God does exist to some, but not to all.
No because it implies God's existence is real and fake.
All teachers are boring.
Mr. Brocke is fun!
This statement is logically ____.
Contradicting
________ is significant because you arrive to a conclusion with a formal reasoning process.
DEDUCTION is significant because you arrive to a conclusion with a formal reasoning process.
In categorical syllogisms there is a major
______, minor _____, and a _____.
In categorical syllogisms there is a major
PREMISE, minor PREMISE, and a CONCLUSION.
If Edwin Brocks test is worth a total of 70 marks,
And I receive my test back with a grade of 100%,
How many marks did I receive?
70 marks
If I'm travelling 400m east in a straight line,
At 200m, in what direction must I still be traveling?
East
Tyler says he is growing out his hair, but he trims his hair daily.
Tyler is ________.
Tyler is contradicting.
________ is insignificant because you arrive to a conclusion based on your best evidence.
INDUCTION is insignificant because you arrive to a conclusion based on your best evidence.
Which of the following is the major premise, minor premise, and conclusion?
All black dogs are warm-blooded.
All mammals are warm-blooded.
All black dogs are mammals.
Major premise: All mammals are warm-blooded.
Minor premise: All black dogs are mammals.
Conclusion: Therefore, all black dogs are warm-blooded.