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Foundations·Introductory·5 lessons·~200 min
What reasoning is and why structure matters
What you'll learn
Lessons
Introduces the concept of an argument and teaches students to identify premises, conclusions, and the inference that connects them.
Introduces deductive, inductive, and abductive reasoning, clarifying how each mode connects premises to conclusions and what standard of support each provides.
Students learn to evaluate arguments by applying standards of validity, inductive strength, relevance, and sufficiency.
Students learn to extract arguments from natural language, identify implicit premises, and produce a semi-formal structured outline as a bridge to full symbolic formalization.
An integrative lesson that asks students to combine every foundations skill on a single passage: find the argument, extract its structure, name its reasoning mode, evaluate it, and explain the result.
How to study
Each lesson opens with a guided walkthrough — read it before the activity.
Look at why each step follows, not just what the answer is.
Know which rule applies and what would make the response weak before you start.
Optional context for the unit. Each lesson surfaces the concepts and rules it uses — these are here when you want the bigger picture.
A set of statements in which one or more premises are offered in support of a conclusion.
A statement offered as evidence or a reason in support of an argument's conclusion.
The statement that an argument claims to establish on the basis of its premises.
The reasoning step that connects premises to a conclusion.
The property of an argument whose conclusion cannot be false while all its premises are true.
A property of inductive arguments in which the premises make the conclusion probable but not certain.
Words or phrases such as 'therefore,' 'because,' and 'since' that signal the presence of an argument and mark premises or conclusions.
The process of translating natural-language arguments into a structured symbolic or semi-symbolic form.