PP111 Lab 5
Origins of Ideas
• Basic elements of the mind are perceptions
• Mental activities cannot occur without perceptions
• Two Kinds of Perceptions:
1. Impressions: lively and vivid, materials first presented to the mind from which
ideas are copied (immediately)
2. Ideas: less likely and vivid, have their origins in impressions, drawn from memory
or imagination (could shape, forget, show ideas)
Hume Imperialist
• In time the world is taken in rapid successions (like a movie)
• Impressions are not constant
Hume’s Argument against the idea of a Self (4851)
P1: All ideas are derived from impression
P2: So, if we had an idea of a persisting self, the self would have to be an
impression
P3: But, the self is not an impression
C1: Therefore there cannot be any persisting idea of a self
(5152)
P1: All our ideas come from experience
P2: We have no exp
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