Lifepac Grade 10 Unit 2 Math

Front 1

Statement

Back 1

a sentence that is either true or false but not both

Front 2

conjunction

Back 2

statement formed by combining 2 statements with the word and

Front 3

Conjunctions are only true if both P and Q are true, and it is _______ in all other cases

Back 3

false

Front 4

disjunction

Back 4

statement formed by combining 2 statements with the word or

Front 5

disjunction is true when ________________ and only false when ________

Back 5

1 or both of its parts are true, only false when both parts are false

Front 6

negation

Back 6

if P is a statement, not P or P is false is negation of P

Front 7

Conditional or Implication

Back 7

statement formed from 2 given statements by connecting them in the form "if _, then _"

Front 8

hypothesis

Back 8

the if clause in a statement

Front 9

conclusion

Back 9

the then clause in a statement

Front 10

P->Q is always true except when P is _____ and Q is ________

Back 10

true and false

Front 11

converse of a conditional

Back 11

statement formed by interchanging the hypothesis and the conclusion

Front 12

inverse of a conditional

Back 12

new statement formed by negating both the hypothesis and conclusion

Front 13

contrapositive of a conditional

Back 13

new statement formed by exchanging the hypothesis and the conclusion and negation both of them

Front 14

Conditional and _______ are equivalent

Back 14

contrapositive

Front 15

converse and ______________ are equivalent

Back 15

inverse

Front 16

inductive reasoning

Back 16

process of making a general conclusion based on specific examples

Front 17

deductive reasoning

Back 17

process of making a conclusion by fitting a specific example into a general statement

Front 18

You (can,cannot) _______ always prove a conclusion by inductive reasoning

Back 18

cannot

Front 19

Where P and Q are statements, P AND Q is called the __________ of P and Q

Back 19

conjunction

Front 20

Where R and S are statements, R OR S is called the __________ of R and S

Back 20

disjunction

Front 21

Reaching a conclusion by looking at several examples is called _________ reasoning

Back 21

inductive

Front 22

Reaching a conclusion by fitting a specific example into a general statement is called ________ reasoning

Back 22

deductive

Front 23

A 2-column proof has _____ essential parts

Back 23

6

Front 24

The statement part of a 2-column proof should be written in __________ form

Back 24

if-then

Front 25

The given part of a theorem is preceded by the word _______

Back 25

if

Front 26

The to prove part of a theorem is preceded by the word ___

Back 26

then

Front 27

A brief description telling how you are going to prove the statement is called the

Back 27

plan of proof