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Old 22-05-2011, 07:48 AM
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mjc (Mark)
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Join Date: Mar 2010
Location: Dublin, Ireland
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Quote:
Originally Posted by CraigS View Post
Just thought of another point …

If the effects of something exist and are real, can we infer that its causes are therefore real, also ?

Ie: the cause of comic expansion/acceleration is 'dark energy', therefore we can infer that dark energy is real, because expansion is real (measurable).
That would be an invalid inference of the implication if A then B (which might be valid and true) and making the mistake of believing the converse is valid and true (if B then A) which might not be the case.

If it has just rained then my garden is wet - but just because my garden is wet does not imply that it has rained - garden hoses etc.

With regards to the WiggleZ stuff - completely over my head.

Mark C.
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