To get an a in mr. polowski’s biology class, you need a grade of at least 90%.
claudia received an a in mr. polowski’s class last semester.

conjecture: claudia got at least 90% in the class.

use deductive reasoning to verify the conjecture, or provide a counterexample if the conjecture is false.

a.

true; law of detachment

b.

true; law of syllogism

c.

false; not all students who get an a in the class had a grade of at least 90%

d.

false; not all students who get a grade of 90% receive an a in the class

C false not absolutely all students who get an A in the course had a quality of at a minimum of 90%

A. true; law of detachment

Step-by-step explanation:

To get an A in Mr. Polowski’s biology class, you need a grade of at least 90% can be expressed (in logical terms) as:

p -> q

p : an student gets an A

q: the student had a grade of at least 90%

The law of detachment states that if p -> q is true and p is true then q is also true. In this case that means if Claudia received an A then she got at least 90% in the class.

1,918

step-by-step explanation:

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