Critically analysing patterns of reasoning
What is Critically analysing patterns of reasoning?
A set of statements, one of which (the conclusion) is claimed to follow from the others (the premises).
Key points
- To accurately identify the conclusion and premises of an argument.
- To recognize and evaluate unstated assumptions.
- To distinguish between deductive and inductive reasoning.
- To assess the logical strength and validity of arguments.
Common exam trap
Confusing correlation with causation.
Definitions
- Term
Argument
- Meaning
A set of statements, one of which (the conclusion) is claimed to follow from the others (the premises).
- Term
Premise
- Meaning
A statement in an argument that provides reason or support for the conclusion.
- Term
Conclusion
- Meaning
The statement in an argument that the premises are claimed to support or imply.
- Term
Assumption
- Meaning
An unstated premise that is necessary for the argument's conclusion to follow logically from its stated premises.
- Term
Deductive Reasoning
- Meaning
Reasoning that proceeds from general principles to specific conclusions; if the premises are true, the conclusion must necessarily be true.
- Term
Inductive Reasoning
- Meaning
Reasoning that proceeds from specific observations to broader generalizations; the premises provide probable, but not certain, support for the conclusion.
- Term
Validity (Deductive)
- Meaning
A deductive argument is valid if its conclusion logically follows from its premises, regardless of whether the premises are actually true.
- Term
Soundness (Deductive)
- Meaning
A deductive argument is sound if it is valid and all of its premises are true.
- Term
Strength (Inductive)
- Meaning
An inductive argument is strong if its premises provide a high ° of probability for the conclusion.
Learning objectives
To accurately identify the conclusion and premises of an argument.
To recognize and evaluate unstated assumptions.
To distinguish between deductive and inductive reasoning.
To assess the logical strength and validity of arguments.
To identify potential flaws or weaknesses in reasoning.
Prerequisites
Understanding of basic logical terms (premise, conclusion, assumption).
Familiarity with different types of arguments.
Ability to read and comprehend passages carefully.
Common mistakes
Confusing correlation with causation.
Assuming the conclusion is true when identifying premises.
Ignoring unstated assumptions.
Overlooking alternative explanations.
Misidentifying the type of reasoning used.
Keywords
Argument Analysis
Logical Structure
Premises
Conclusion
Assumptions
Deductive Reasoning
Inductive Reasoning
Validity
Soundness
Argument Strength
Critical Thinking
Reasoning Patterns
Practice preview
Our local council member proposed a new park, but I don't trust his judgment. He was seen last week arguing loudly with his neighbor about a fence, which shows he can't even manage his personal affairs, let alone public …
easy
A recent study observed 500 residents in City X who regularly consume a specific brand of organic juice. Over a period of five years, none of these residents reported any major health issues attributable to their diet. T…
medium
Our company's sales have been declining for the past three quarters. During this same period, we significantly increased our advertising budget. Therefore, increasing advertising must be counterproductive and is causing …
medium