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According to Ayer, "Observation O increases the probability of proposition P" means
{ 1 } - "Hurrah for placing more confidence in P when O occurs!"
{ 2 } - "The occurrance of O conclusively proves P."
{ 3 } - "O increases the confidence that it is rational to place in P."
{ 4 } - "O increases our confidence in P."
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1 is wrong. Please try again.
According to Ayer, "Observation O increases the probability of proposition P" means
{ 1 } - "Hurrah for placing more confidence in P when O occurs!"
{ 2 } - "The occurrance of O conclusively proves P."
{ 3 } - "O increases the confidence that it is rational to place in P."
{ 4 } - "O increases our confidence in P."
This would be an emotivist view of probability.
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2 is wrong. Please try again.
According to Ayer, "Observation O increases the probability of proposition P" means
{ 1 } - "Hurrah for placing more confidence in P when O occurs!"
{ 2 } - "The occurrance of O conclusively proves P."
{ 3 } - "O increases the confidence that it is rational to place in P."
{ 4 } - "O increases our confidence in P."
This is too strong.
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3 is correct!
According to Ayer, "Observation O increases the probability of proposition P" means
{ 1 } - "Hurrah for placing more confidence in P when O occurs!"
{ 2 } - "The occurrance of O conclusively proves P."
{ 3 } - "O increases the confidence that it is rational to place in P."
{ 4 } - "O increases our confidence in P."
Ayer adds that the rationality of a belief is defined by referring, not to some absolute standard, but to accepted scientific practice.
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4 is wrong. Please try again.
According to Ayer, "Observation O increases the probability of proposition P" means
{ 1 } - "Hurrah for placing more confidence in P when O occurs!"
{ 2 } - "The occurrance of O conclusively proves P."
{ 3 } - "O increases the confidence that it is rational to place in P."
{ 4 } - "O increases our confidence in P."
This is Ayer's rough initial definition. He notes that this definition is oversimplified -- since we aren't always rational.
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the end