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WorksheetsLogic - Conditionals
Total questions: 15
Worksheet time: 16mins
Determine the validity of the conditional:
The antecedent is TRUE
The consequent is TRUE
True
False
Determine the validity of the conditional:
The antecedent is FALSE
The consequent is TRUE
True
False
Determine the validity of the conditional:
The antecedent is FALSE
The consequent is FALSE
True
False
Determine the validity of the conditional:
The antecedent is TRUE
The consequent is FALSE
True
False
What is a counterexample?
An example to validate that a conditional is true
An example that shows why a conditional is false; when the antecedent is true and the consequent is false
An example that shows why a a conditional is false; when the antecedent is false and the consequent is false
An example to validate that the antecedent is false while the consequent is true
What is another word for "if-then statement"
Validity
Counterexample
Conditional
Consequent
What does "validity" mean?
Logic that has counterexamples
Statements that are true or false
Inquiry-based learning in the IB
An example that opposes or contradicts an idea or theory.
If it is a bee, then it creates honey
What is the antecedent?
Bee
Honey
It creates honey
It is a bee
If there are 365 days in a year, then December 25th is Christmas
What is the consequent?
365 days
December 25th is Christmas
Christmas
There are 365 days in a year
Rewrite the following as a conditional:
I'll wash the car if the weather is nice
If the weather is nice; I'll wash the car
If I don't wash the car, then the weather won't be nice
If the weather is nice, then I'll wash the car
If the weather isn't nice, then I'll wash the car
Rewrite as a conditional:
All isosceles triangles have two sides the same length
If it has two sides the same length, then it is an isosceles triangle
If Isosceles triangles have sides the same length, then they are isosceles
If it is an isosceles triangle, then it has two sides the same length
If there is an isosceles triangle, then all angles add up to 180 degrees
Determine the validity:
If Tinkerbell is in the movie "Peter Pan," then Mulan is in the movie "Frozen"
True
False
Determine the validity:
If Miss Browe built the pyramids, then the snow storm will happen today
True
False
What letter is assigned to our "consequent" ?
p
q
r
s
"If p, then q" can be rewritten in symbols, like...
p = q
p --> q
q = p
q --> p
