
Midterm 1
Quiz
•
Mathematics
•
1st Grade
•
Hard
Wyatt Beals
FREE Resource
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The proposition (p →q ) ↔ (q → p) is:
A tautology
A contradiction
Neither tautology or contradiction
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the contrapositive of the following statement:
If there are two feet of snow on the ground, class is canceled.
If class is not canceled, there aren't two feet of snow on the ground.
If class is canceled, there are two feet of snow on the ground.
If there aren't two feet of snow on the ground, class won't be canceled.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x y (x → y) ↔ (¬x ∨ y)
F F
F T
T F
T T
T, T, T, T
T, F, T, F
F, T, F, T
F, F, F, F
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is incorrect?
The biconditional p ↔ q means “if p then q and conversely”
The biconditional p ↔ q is true when p and q have the same truth value
The biconditional p ↔ q is the same as “if p then q”
The biconditional p ↔ q is the proposition “p if and only if q”
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x y (x ↔ y) ⊕ (x ↔ ¬y)
T, T, T, T
T, F, T, F
F, T, F, T
F, F, F, F
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x y ¬x → y
T, F, F, F
F, T, T, T
F, F, F, F
T, T, T, T
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The proposition (p ∧ q ) ∨ (¬p ∧ ¬q) is a:
Contradiction
Tautology
Neither tautology or contradiction
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