Lesson 2 2 Logic Ohio Content Standards Ohio

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Lesson 2 -2 Logic

Lesson 2 -2 Logic

Ohio Content Standards:

Ohio Content Standards:

Ohio Content Standards: Establish the validity of conjectures about geometric objects, their properties and

Ohio Content Standards: Establish the validity of conjectures about geometric objects, their properties and relationships by counter-example, inductive and deductive reasoning, and critiquing arguments made by others.

Ohio Content Standards: Make, test and establish the validity of conjectures about geometric properties

Ohio Content Standards: Make, test and establish the validity of conjectures about geometric properties and relationships using counterexample, inductive and deductive reasoning, and paragraph or twocolumn proof.

Ohio Content Standards: Generalize and explain patterns and sequences in order to find the

Ohio Content Standards: Generalize and explain patterns and sequences in order to find the next term and the nth term.

Statement

Statement

Statement Any sentence that is either true or false.

Statement Any sentence that is either true or false.

Truth Value

Truth Value

Truth Value The truth or falsity of a statement.

Truth Value The truth or falsity of a statement.

Negation

Negation

Negation Has the opposite meaning as well as an opposite truth value.

Negation Has the opposite meaning as well as an opposite truth value.

Negation Has the opposite meaning as well as an opposite truth value. ~p, is

Negation Has the opposite meaning as well as an opposite truth value. ~p, is read not p

Compound Statement

Compound Statement

Compound Statement When two or more statements are joined.

Compound Statement When two or more statements are joined.

Conjunction

Conjunction

Conjunction Compound statement formed by joining two or more statements with the word and.

Conjunction Compound statement formed by joining two or more statements with the word and.

Conjunction Compound statement formed by joining two or more statements with the word and.

Conjunction Compound statement formed by joining two or more statements with the word and. p ^ q reads p and q

Use the following statements to write a compound statement for each conjunction. Then find

Use the following statements to write a compound statement for each conjunction. Then find its truth value.

Use the following statements to write a compound statement for each conjunction. Then find

Use the following statements to write a compound statement for each conjunction. Then find its truth value. p: One foot is 14 inches. q: September has 30 days. r: A plane is defined by three noncollinear points.

Use the following statements to write a compound statement for each conjunction. Then find

Use the following statements to write a compound statement for each conjunction. Then find its truth value. p: One foot is 14 inches. q: September has 30 days. r: A plane is defined by three noncollinear points. p and q

Use the following statements to write a compound statement for each conjunction. Then find

Use the following statements to write a compound statement for each conjunction. Then find its truth value. p: One foot is 14 inches. q: September has 30 days. r: A plane is defined by three noncollinear points. r ^p

Use the following statements to write a compound statement for each conjunction. Then find

Use the following statements to write a compound statement for each conjunction. Then find its truth value. p: One foot is 14 inches. q: September has 30 days. r: A plane is defined by three noncollinear points. ~q ^ r

Use the following statements to write a compound statement for each conjunction. Then find

Use the following statements to write a compound statement for each conjunction. Then find its truth value. p: One foot is 14 inches. q: September has 30 days. r: A plane is defined by three noncollinear points. ~p ^ r

Disjunction

Disjunction

Disjunction Compound statement formed by joining two or more statements with the word or.

Disjunction Compound statement formed by joining two or more statements with the word or.

Disjunction Compound statement formed by joining two or more statements with the word or.

Disjunction Compound statement formed by joining two or more statements with the word or. p q reads p or q

Use the following statements to write a compound statement for each disjunction. Then find

Use the following statements to write a compound statement for each disjunction. Then find its truth value.

Use the following statements to write a compound statement for each disjunction. Then find

Use the following statements to write a compound statement for each disjunction. Then find its truth value. p: AB is proper notation for “line AB”. q: Centimeters are metric units. r: 9 is a prime number.

Use the following statements to write a compound statement for each disjunction. Then find

Use the following statements to write a compound statement for each disjunction. Then find its truth value. p: AB is proper notation for “line AB”. q: Centimeters are metric units. r: 9 is a prime number. p or q

Use the following statements to write a compound statement for each disjunction. Then find

Use the following statements to write a compound statement for each disjunction. Then find its truth value. p: AB is proper notation for “line AB”. q: Centimeters are metric units. r: 9 is a prime number. q r

The Venn diagram shows the number of students enrolled in Monique’s Dance School for

The Venn diagram shows the number of students enrolled in Monique’s Dance School for tap, jazz, and ballet classes. Tap 28 Jazz 43 13 17 9 25 29 Ballet

The Venn diagram shows the number of students enrolled in Monique’s Dance School for

The Venn diagram shows the number of students enrolled in Monique’s Dance School for tap, jazz, and ballet classes. Tap 28 Jazz 43 13 17 9 25 29 Ballet • How many students are enrolled in all three classes?

The Venn diagram shows the number of students enrolled in Monique’s Dance School for

The Venn diagram shows the number of students enrolled in Monique’s Dance School for tap, jazz, and ballet classes. Tap 28 Jazz 43 13 17 9 25 29 Ballet • How many students are enrolled in tap or ballet?

The Venn diagram shows the number of students enrolled in Monique’s Dance School for

The Venn diagram shows the number of students enrolled in Monique’s Dance School for tap, jazz, and ballet classes. Tap 28 Jazz 43 13 17 9 25 29 Ballet • How many students are enrolled in jazz and ballet and not tap?

Assignment: Pgs. 72 - 74 18 -28 evens, 56 -72 evens

Assignment: Pgs. 72 - 74 18 -28 evens, 56 -72 evens