Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

2.04 Deductive Reasoning

State whether using syllogism or detachment laws if valid.

Give an example of the law of syllogism.

Give an example of the Law of detachment

Deductive reasoning is used in proofs. The justifications for each step are using valid reasoning (usually the law of detachment). The step by step conclusions that lead to the final step are using valid reasoning also (usually the law of syllogism).