Writing Deductive Arguments

Deductive arguments begin with a general principle and reach a specific conclusion. They develop that principle with logical arguments that are supported by evidence—facts, observations, the opinions of experts, and so on. Keep in mind that no single structure is suitable for all deductive (or inductive) arguments. Different issues and different audiences will determine how you arrange your ideas.

In general, deductive essays can be structured in the following way:

INTRODUCTION

Presents an overview of the issue

States the thesis
BODY

Presents evidence: point 1 in support of the thesis

Presents evidence: point 2 in support of the thesis

Presents evidence: point 3 in support of the thesis

Refutes the arguments against the thesis
CONCLUSION

Brings argument to a close

Concluding statement reinforces the thesis