Activity 13: Inductive & Deductive Reasoning
Instructions: In class we discussed the logic behind inductive and deductive reasoning, as well
as specific examples of each of these types of reasoning. For this activity, you will watch a short
scene from the movie Sherlock Holmes (2009) in which Sherlock Holmes uses reasoning to
reach conclusions about his friend Dr. Watson’s new fiancé, Mary Morstan. You will then
decompose the premises and conclusions of arguments within this scene. Refer to class notes
from Units 10 (Logical Reasoning) as well as the Facione and Gittens (2013) readings from each
of these units to help you complete this activity.
(1) Watch the scene from Sherlock Holmes (https://www.youtube.com/watch?v=388rOzD9SM) and address each of the following:
a. Choose two arguments from the scene.
b. Identify whether each argument is inductive or deductive.
c. Construct the argument using the following format:
Premise #1: _______________________
Premise #2: _______________________
Hint: if an argument you chose is deductive, also make sure to follow the
appropriate language template (e.g., denying the consequent, applying a
(2) Besides detective work as we saw in the Sherlock Holmes scene, describe in 2-3
sentences a real-life situation that may rely on the use of deductive and inductive
This activity must be submitted to eCampus as either a text submission or an attached file no
later than 11:59pm.
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