Karl Popper (1902-1994)

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Karl Popper (1902-1994)

Boldness of reality

Must be adapted if hypothesis true and daring

Kepler's ideas were bold, but he done alot more predictions than copernicus

kepler theory tested by Newton and Einstien new theories

Experiments proved Kepler wrong

Einstein theory of gravitation

He declared that if theory did not match calculations, theory would be cancelled

He declared that his theory was false

Bold ideas are a daring hypothesis

EX. Copernicus's heliocentric theory

It's scientific when predictions are made

Propositions being judged for their truthness rejected

Scientific statement must be falsifiable

20th century most important philospher