Semester 2 revision Flashcards
Modus ponens
Affirms, if A then B. A, therfore B
Modus tollens
Denies, if A then B. Not B, therefore not A
Premises
Reasons offered in support
Conclusion
Claims the argument makes
Deductive argument
A valid argument with true premises and a true conclusion (are the premises true?, is the argument valid?)
Inductive argument
argument where the conclusion doesn’t follow the premises (are the premises acceptable, relevant or compelling?)
Generalisation
Obtained by inferences from a specific case
Induction
Giving rise to something
Empiricism
All knowledge is based on experience
Scepticism
True knowledge is uncertain
Change
How internal and external environments interact to create change
Causation
Relation between two successive events (cause and effect)
Scientific method
Testing of universal theories by comparing deductive statements with observations of the world
Observations and their problems
Conclusions drawn based on what people see
Problems- hard to be unbiased, ‘trained eye’ means some won’t see what others do, some things unobservable
Inductions and their problems
Process of generalising from a sample of evidence
Problems- risky