infintesimal confirmation. the raven paradox 1)a red herring confirms the hypothesis that all...

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Page 1: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all

infintesimal confirmation

Page 2: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all

The Raven Paradox

1) A red herring confirms the hypothesis that all non-black things are non-ravens.

2) The hypothesis that all non-black things are non-ravens is logically equivalent to the hypothesis that all ravens are black.

3) If (1) and (2), then a red herring confirms the hypothesis that all ravens are black.

4) A red herring confirms the hypothesis that all ravens are black.

Page 3: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all
Page 4: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all
Page 5: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all
Page 6: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all
Page 7: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all
Page 8: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all

Don’t get too cozy with this resolution. It is easy to see that that same red herring also confirms “All ravens are white.” The contrapositive of the latter is “All nonwhite things are nonravens,” and the herring, being a nonwhite thing, confirms it. An observation cannot confirm two mutually exclusive hypotheses. Once you admit such a patent contradiction, it is possible to “prove” anything. The red herring confirms that the color of all ravens black, and also that that color is while; ergo: Black is white.

Page 9: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all
Page 10: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all

The Raven Paradox

1) A red herring confirms the hypothesis that all non-black things are non-ravens.

2) The hypothesis that all non-black things are non-ravens is logically equivalent to the hypothesis that all ravens are black.

3) If (1) and (2), then a red herring confirms the hypothesis that all ravens are black.

4) A red herring confirms the hypothesis that all ravens are black.

Page 11: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all

Nicod’s Criterion:a. A generalization is confirmed (to some degree)

by an F that is G.b. A generalization is disproved by an F that is not

G.c. A generalization is neither confirmed nor

disproved by non-Fs that are not G or by non-Fs that are G.

The Rule of Contraposition: All Fs are G is logically equivalent to All non-Gs are non-Fs.The Equivalence Confirmation Thesis: Logically equivalent statements are confirmed by the same things.

Page 12: Infintesimal confirmation. The Raven Paradox 1)A red herring confirms the hypothesis that all non-black things are non-ravens. 2)The hypothesis that all

The Conclusion: A red herring confirms the hypothesis that all ravens are black.

Nicod’s Criterion c: A generalization is neither confirmed nor disproved by non-Fs that are not G or by non-Fs that are G.