Forms of appeal

Logos

In many ways, the entire Declaration is constructed as a logical argument meant to prove that declaring independence is legitimate, given the oppressiveness of the British rule.

The twenty-seven crimes of King George III and the British rule listed in the text (ll. 43-128) are meant to represent factual evidence that the American colonies are entitled to declare independence. Here are a few examples:

For cutting off our Trade with all parts of the world:
For imposing Taxes on us without our Consent:
For depriving us in many cases, of the benefits of Trial by Jury:
For transporting us beyond Seas to be tried for pretended offences (ll. 94-99)

We also see a more direct example of a logical arguments in the Preamble (the opening paragraphs) of the Declaration, when the writers point out that since governments exist to serve people's interests, it follows that people have a right to change a government if it stops serving their interests:

…Governments are instituted among Men, deriving their just powers from the consent of the governed, --That whenever any Form of Government beco...