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ALEX Classroom Resources  
   View Standards     Standard(s): [MA2019] FM-19 (9-12) 1 :
1. Represent logic statements in words, with symbols, and in truth tables, including conditional, biconditional, converse, inverse, contrapositive, and quantified statements.

[MA2019] FM-19 (9-12) 2 :
2. Represent logic operations such as and, or, not, nor, and x or (exclusive or) in words, with symbols, and in truth tables.
[MA2019] FM-19 (9-12) 3 :
3. Use truth tables to solve application-based logic problems and determine the truth value of simple and compound statements including negations and implications.

a. Determine whether statements are equivalent and construct equivalent statements.

Example: Show that the contrapositive of a statement is its logical equivalent.
[MA2019] FM-19 (9-12) 4 :
4. Determine whether a logical argument is valid or invalid, using laws of logic such as the law of syllogism and the law of detachment.

a. Determine whether a logical argument is a tautology or a contradiction.

Subject: Mathematics (9 - 12)
Title: 16.3 Negative Statements
URL: https://flexbooks.ck12.org/cbook/ck-12-precalculus-concepts-2.0/section/16.3/primary/lesson/negative-statements-pcalc/#
Description:

This informational material will introduce negations and explain how to represent these logical statements with symbols in truth tables. It will introduce the term tautology and explain how a truth table can demonstrate a tautology. Practice questions with a PDF answer key are provided. In addition, there is a self-checking online practice tool.



   View Standards     Standard(s): [MA2019] FM-19 (9-12) 1 :
1. Represent logic statements in words, with symbols, and in truth tables, including conditional, biconditional, converse, inverse, contrapositive, and quantified statements.

[MA2019] FM-19 (9-12) 2 :
2. Represent logic operations such as and, or, not, nor, and x or (exclusive or) in words, with symbols, and in truth tables.
[MA2019] FM-19 (9-12) 4 :
4. Determine whether a logical argument is valid or invalid, using laws of logic such as the law of syllogism and the law of detachment.

a. Determine whether a logical argument is a tautology or a contradiction.

Subject: Mathematics (9 - 12)
Title: 16.2 If-Then Statements
URL: https://flexbooks.ck12.org/cbook/ck-12-precalculus-concepts-2.0/section/16.2/primary/lesson/if-then-statements-pcalc/#
Description:

This informational material will introduce students to if-then logical statements and demonstrate how to represent these statements with symbols in truth tables. It will also describe a contradicting logical argument. There is a corresponding video available. Practice questions with a PDF answer key are provided. In addition, there is a self-checking online practice tool.



ALEX Classroom Resources: 2

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