Chapter 2-logic

Question 1

conjecture

Answer 1

educated guess

Question 2

counter example

Answer 2

that proves a statement wrong

Question 3

conditional statements

Answer 3

if, then, statement

Question 4

which part is the hypothesis of a statement

Answer 4

the part after if

Question 5

which part is the conclusion of a statement

Answer 5

the part after then

Question 6

what does p->q mean

Answer 6

if p then q

Question 7

what does p<->q mean

Answer 7

p happens if and only if q happens

Question 8

what does this mean /\

Answer 8

and

Question 9

what does this mean \/

Answer 9

or

Question 10

converse

Answer 10

switch hypothesis and conclusion

Question 11

inverse

Answer 11

add “not” to both the hypothesis and conclusion

Question 12

contrapositive/CP

Answer 12

switch and add not

Question 13

what do venn diagrams do

Answer 13

show relationships between sets of data. can represent conditionals, drawn as a circle

Question 14

law of detachment

Answer 14

p->q is true and p is given, then q is true. 1 single if, then statement

Question 15

law of syllogism

Answer 15

p->q and q->r true conditionals, then p->r is true. 2 if-then statements