> On 18 Jun 2019, at 12:49, Philip Thrift <[email protected]> wrote:
> 
> 
> 
> On Tuesday, June 18, 2019 at 4:55:01 AM UTC-5, Bruno Marchal wrote:
> 
>> On 13 Jun 2019, at 20:12, Philip Thrift <[email protected] <javascript:>> 
>> wrote:
>> 
>> 
>> Feyerabend wrote of scientific fundamentalism, being indoctrinated into a 
>> particular theory as being TRUTH.
> 
> People seriously claiming truth are con artist only. It is scientism or 
> outright crackpotery.
> 
> Bruno
> 
> 
> 
> 
> 
> 
> But what of "The Church-Turing Thesis holds unquestionably”?

?

Everything ( thesis, hypothesis, axioms, … their consequences) is questionable. 

That is why we make clear our assumptions, so that if and when we find a 
contradiction (internal, external) we can debate which axioms to change, which 
part of the theory to improve, etc.

What is not easily questionable is the validity of the reasoning. The fact that 
CT implies incompleteness, is not seriously questionnable, even if we can 
always suspect a systematic error unseen by anybody, but that is true for all 
knowledge/belief.

Bruno



> 
> @philipthrift
> 
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