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Introduction to Argumentation

What is an Argument?

In everyday life, an “argument” often means a disagreement. But in writing and critical thinking, it’s something more structured. An argument is a way to present a specific point of view and support it with logic and facts, with the goal of persuading others that your point is valid.

It’s not about being confrontational. It's about building a case, much like a lawyer does in a courtroom or a scientist does in a research paper. The goal is clarity. A strong argument presents its ideas clearly, making it easy for an audience to follow the line of thought from one point to the next.

The Three Core Parts

At its heart, every effective argument is built on three essential pillars: a claim, evidence to support it, and reasoning to connect them. If any one of these is missing, the whole structure can wobble or collapse.

Claim

noun

The main point or conclusion of your argument. It's the statement you are trying to prove.

A claim should be debatable. It's not a fact like "the sky is blue," but an assertion that could be challenged, like "Our city needs more bike lanes."

Evidence

noun

The facts, data, statistics, examples, or expert opinions you use to back up your claim.

Evidence is the proof. If your claim is that the city needs more bike lanes, your evidence might be data showing a rise in cycling accidents or a survey indicating that 70% of residents would bike more if it were safer.

Reasoning

noun

The logical connection that explains how your evidence supports your claim. It is often an unstated assumption that links the two together.

Reasoning is the bridge. It answers the question, "So what?" For our bike lane example, the reasoning would be: "The data on accidents and resident demand shows a clear public safety and transportation need. Therefore, building more bike lanes is a logical solution to address these issues."

Putting It All Together

Let's see how these parts work together in a simple argument:

  • Claim: Our local library should extend its weekend hours.
  • Evidence: A recent community survey found that 60% of respondents would use the library on weekends if it were open later. Furthermore, libraries in neighboring towns with extended hours have seen a 20% increase in visitor traffic.
  • Reasoning: Since a majority of our community wants later hours and other towns have succeeded with this model, extending our library's hours would better serve the public and likely increase its usage.

A claim without evidence is just an opinion. Evidence without reasoning is just a list of facts. All three must work in harmony to create a persuasive and logical argument.

Understanding this basic structure is the first step toward building more compelling, sophisticated arguments and analyzing the arguments you encounter every day.