90 likes | 100 Views
Honors Geometry. Intro to Proof. Honors Geometry. What does it mean to “prove” something? W ork with your elbow partner to come up with a working definition. Be prepared to share!. Honors Geometry. “Prove” – to establish the truth or validity of by evidence or demonstration.
E N D
Honors Geometry Intro to Proof
Honors Geometry • What does it mean to “prove” something? • Work with your elbow partner to come up with a working definition. Be prepared to share!
Honors Geometry • “Prove” – to establish the truth or validity of by evidence or demonstration
Honors Geometry • “Prove” – to establish the truth or validity of by evidence or demonstration • “Proof” – the process of or an instance of establishing the validity of a statement especially by derivation from other statements in accordance with accepted or stipulated principles of reasoning
Honors Geometry • Two-Column proofdeductive reasoning • General to specific • Prove statements by reasoning from postulates, definitions, theorems, and given information • Also Paragraph proof and Flowchart proof coming soon!
Honors Geometry • Reason (-ing): Statement offered in explanation or justification
Honors Geometry • Reason (-ing): Statement offered in explanation or justification • Valid: Conclusion correctly derived from premises
Honors Geometry • Reason (-ing): Statement offered in explanation or justification • Valid: Conclusion correctly derived from premises • Derive (d, -ation): a sequence of statements showing that a result is a necessary consequence of previously accepted statements