Peter Holmes wrote: ↑Fri Dec 14, 2018 9:23 am
If you believe there are no such things as true factual assertions - which we happen to call facts - then we can't continue. I've explained my use of the expression 'factual assertion', and how such assertions may be true or false.
Peter, that's a poor attempt at abdicating the burden of proof. It is your claim that "true factual assertions" (which you happen to call facts and happen to define as "true irrespective of what anybody believes or claims to know" ). It is your burden to demonstrate the existence of such subject-independent, free-floating, meaningful linguistic expressions.
Peter Holmes wrote: ↑Fri Dec 14, 2018 9:23 am
If you believe the words 'true' and 'false' in this context have no clear meaning, then we can't continue.
The lack of clarity around the meaning of 'true' and 'false' is a direct consequence of your proposed convention which allows for 'true factual assertions' to be falsified in future.
The linguistic expression 'The Earth orbits the Sun is a fact, a true factual assertion" is equivalent to "The Earth orbits the Sun is true".
To further say that 'The Earth orbits the Sun is falsifiable" is absurd because the notion of 'falsifiable truth' is absurd!
I am happy to continue when you rectify or justify the error in your position.
Peter Holmes wrote: ↑Fri Dec 14, 2018 9:23 am
You seem hung up on the use of 'falsifiable'. A factual assertion is falsifiable because it claims something about a feature of reality that may not be the case.
Of course I am! Because if you falsify something which is a "true factual assertion independent of what anybody believes or claims to know" then surely that is inappropriate use of the word 'true'?
Falsifiability and truth are mutually exclusive properties of linguistic expressions because axiomatically: true is not false and false is not true.
⊥ ⇔ ¬⊤
¬⊥ ⇔ ⊤
If a claim is falsifiable in principle then it cannot possibly be a 'true irrespective of what anybody believes or claims to know'!
To believe both at the same time is incoherent nonsense. I am not the one going in circles - you are. Because your position is self-defeating.
The way I interpret the sentence 'True irrespective of what anybody believes or claims to know' is 'Absolute Unfalsifiable Indisputable Universal Truth'. Such a truth would be beyond doubt.
Surely this is closer to what we mean by 'objectivity'?