Statements in Mathematical Reasoning

# Statements in Mathematical Reasoning

## Mathematical Reasoning

Mathematical reasoning is the process of using mathematical concepts and principles to solve problems. This can involve solving equations, modeling data, or analyzing patterns. Mathematical reasoning is a critical skill for students to learn, as it can be applied to a variety of real-world situations.

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## What is a Mathematical Reasoning Statement?

A mathematical reasoning statement is a statement that uses mathematics to make a point. Mathematical reasoning statements can be used to solve problems, prove mathematical theorems, or just to illustrate a point. Mathematical reasoning statements are often written in the form of an equation or a proof.

## Types of Maths Reasoning Statements

A maths reasoning statement is a statement that uses mathematical symbols and concepts to express a logical argument. There are many different types of maths reasoning statements, including:

· Conditional Statements: A conditional statement is a statement that connects two statements using the word “if.” The first statement is the hypothesis, and the second statement is the conclusion. If the hypothesis is true, then the conclusion must be true as well.

· Inverse Statements: An inverse statement is a statement that connects two statements using the word “not.” The first statement is the hypothesis, and the second statement is the conclusion. If the hypothesis is true, then the conclusion must be false.

· Contrapositive Statements: A contrapositive statement is a statement that connects two statements using the word “not.” The first statement is the hypothesis, and the second statement is the conclusion. If the hypothesis is false, then the conclusion must be true.

· Logical Equivalents: Two statements are logically equivalent if they have the same truth value. If both statements are true, then they are logically equivalent. If both statements are false, then they are logically equivalent.

· Implication Statements: An implication statement is a statement that connects two statements using the word “implies.” The first statement is the hypothesis, and the second statement is the conclusion. If the hypothesis is true, then the conclusion must be true as well.

## Simple Statements

A statement is a sentence that states a fact or asks a question.

Statement Examples

The sky is blue.

Do you want to go to the store?

## Compound Statements

A compound statement is a group of two or more simple statements that are connected by operators such as and, or, and not.

Statement 1; statement 2; statement 3

Statement 1 and statement 2 are connected by the and operator, and statement 3 is connected by the or operator.

## Connectives used in Compound Statements:

and, or, but, not

## Mathematical Reasoning Formulas used in Compound Statements:

1. If p then q
2. If and only if p then q
3. If p then q else r
4. If p then q else r if s
5. If p then q else r if not s
6. If p then q else r
7. If and only if p then q

## Conditional Statements:

If you want to eat healthy, you should eat fruits and vegetables.

If it is sunny outside, I will go for a walk.

## Inverse, Converse, and Contrapositive of Conditional statements:

Inverse: if P then Q

Inverse: if not Q then not P

Converse: if Q then P

Converse: if not P then not Q

Contrapositive: if not P then not Q

Contrapositive: if Q then not P

## Mathematical Reasoning Formulas of Conditional Statements:

The formulas for conditional statements are “if then” and “if and only if.” The symbol for “if then” is “→,” and the symbol for “if and only if” is “↔.”

“If then” is read as “if then .” It is a statement that says if one condition is met, then another condition is also met.

“If and only if” is read as “if and only if.” It is a statement that says that the two conditions are both met.

## Mathematical Reasoning Questions:

1. If x is an integer, what is the value of x?

2. What is the value of x if x is a negative number?

3. What is the value of x if x is a decimal?

4. What is the value of x if x is a fraction?

## Validity of the Statement

There is no evidence to support the statement.

## Do You Know What an Open Statement Is?

An open statement is a statement that is not closed.

## Points to Remember

Some key points to remember about the ketogenic diet:

The ketogenic diet is a high-fat, moderate-protein, and low-carbohydrate diet.

The ketogenic diet is used to treat seizures in children and adults.

The ketogenic diet is also used to treat obesity, heart disease, and diabetes.

The ketogenic diet is a high-fat, low-carbohydrate diet.

The ketogenic diet is a weight-loss diet.

The ketogenic diet is a low-carbohydrate diet.

The ketogenic diet is a healthy diet.

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