Philosophy A-Level
Deductive validity
What Deductive validity means in Philosophy A-Level, as defined for AQA.
Definition of Deductive validity
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Reference: AQA
The relation in which the premises entail the conclusion, so that if the premises are true the conclusion cannot be false.
Topics that use Deductive validity
- Subject content: Philosophical terminology (AQA A-Level)
Related terms
- A priori knowledge
- A priori/a posteriori distinction
- Analytic/synthetic distinction
- Certainty versus necessity
- Claim type versus truth value
- Consistency
- Containment of predicate in subject
- Contradiction as a test for analyticity
Using Deductive validity in the exam
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