Reasoning and Proof Vocab

An unproven statement that is based on obsercations

• Counter Example

• Conjecture

• Hypothesis

• Conclusion

The form of a conditional statement that uses the words "if " and "then"

• If-Then-Form

• Hypothesis

• Conclusion

• Deductive Reasoning

The "if:" part of a conditional statement

• Conclusion

• Conjecture

• Negation

• Hypothesis

the "then" part of a conditional statement

• Contrapositive

• Converse

• Conclusion

• Hypothesis

a process that uses facts, definitions, accepted properties and the laws of logic to form a logical argument

• Deductive Reasoning

• Inductive Reasoning

• Counter Example

• Contrapositive

The process that includes looking patterns and making conjectures

• Conclusion

• Counter Example

• Inductive Reasoning

• Deductive Reasoning

The opposite of a statement

• Counter Example

• Inverse

• Negation

• Truth Value

the truth or falsity of a statement

• Truth Value

• Conditional Statement

• Inverse

• Contrapositive

a type of logical statement that has two parts, a hypothesis and a conclusion

• If-Then Form

• Conditional Statement

• Converse

• Inverse

The statement formed by exchanging the hypothesis and conclusion of a conditional statement

• Contrapositive

• Bi-conditional Statement

• Converse

• Inverse