Unit 3 of Logic – II (syllabus: Module 3 — the uses of language, emotive and neutral language, agreement and disagreement, fallacies of ambiguity, relevance, defective induction and presumption, and impediments to good reasoning). Below: what the unit covers, the provisions it turns on, and the cases an examiner expects you to name.
What this unit covers
- What are the uses of language, and why does logic attend only to one of them?
- What is the difference between ambiguity and vagueness, and between a verbal and a genuine dispute?
- What is a fallacy, and how are fallacies classified?
- What are the fallacies of ambiguity?
- What are the fallacies of relevance?
- What are the fallacies of defective induction?
- What are the fallacies of presumption?
- What are the impediments to good reasoning, and what fallacies do they produce?
Treat that list as a self-test: recite each topic's rule from memory before you open its cases.