PART 2 perception as a source of knowledge

How would a direct realist defend against the problem of hallucinations?

• Point out they can use their direct experience and multiple senses to detect hallucinations.

• Deny the existence of hallucinations.

• Have blind faith in the reliability of their senses.

• Ask a friend if they're hallucinating.

What theory we've looked at is the time lag argument a problem for?

• Direct realism

• Indirect realism

• Infallibilism

• No false lemmas

To the closest minute, how long does it take for sunlight to reach the earth?

• 7 minutes

• 8 minutes

• 9 minutes

• 10 minutes

What would a direct realist say in response to the time lag argument?

• Aristotle was right that light is instantaneous

• Deny that light exists

• We directly perceive that there is time lag and we say we saw things as they were

What is sense data? (Multiple choice)

• The only thing that we actually perceive according to direct realism

• The only thing that we actually perceive according to indirect realism

• Interpretations of electrical signals represented to us through our senses

• Images we make up in our imagination

Which philosopher invented the distinction between primary and secondary qualities?

• Plato

• John Locke

• Bertrand Russell

• Edmund Gettier

Primary qualities are...

• Mind-independent features of an object

• Mind-dependent features of an object

Which of these would John Locke consider to be secondary qualities of an object?

• Extension

• Colour

• Motion

• Taste

Which of these are problems for indirect realism?

• Scepticism about the nature of external objects

• The time lag argument

• Scepticism about the existence of external objects

• Perceptual variation

Which feature of indirect realism was used to make the criticisms of 'scepticism about the nature and existence of the external world'? (One answer)

• Sense data

• The veil of perception

• Primary qualities

• Secondary qualities