@Olivier5,
Quote:A scientist saying: "real, independent, free thought does not exist" is also saying: "science does not exist". For the upteenth time, there is a paradox here, like where the Cretan says "all Cretans are liars".
It goes like this (wiki):
"Epimenides the Cretan says, 'that all the Cretans are liars,' but Epimenides is himself a Cretan; therefore he is himself a liar. But if he be a liar, what he says is untrue, and consequently the Cretans are veracious; but Epimenides is a Cretan, and therefore what he says is true; saying the Cretans are liars, Epimenides is himself a liar, and what he says is untrue. Thus we may go on alternately proving that Epimenides and the Cretans are truthful and untruthful."[1]
The Epimenides paradox however can be solved, meaning that the statement can be assigned truth-value in a way that is not self-contradicting. Namely, if the statement "all Cretans are liars" (stated by Epimenides, himself a Cretan) is true, then Epimenides, being a Cretean, would be a liar; since liars only make false statements, the statement should be false. So assuming the statement is true leads us to conclude that the statement is false. However, if we assume the stament is false, then its negation, "there exists a Cretan that is honest", is true. This does not lead to contradiction, since it is not required that this Cretan be Epimenides
In our case this solution translates into: at least SOME human knowledge is "free" from material determinism.