Quote:
Originally Posted by CraigS
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).
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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.