QUALITATIVE MEASURE IS NOT
OBJECTIVE
Anil mitra PHD, COPYRIGHT © 2000, REFORMATTED June
25, 2003
This topic concerns an invalid form
of argument that commonly enters thought – perhaps in a careless way. Here is
an example of the argument:
In what follows is assumed that a pinch is very small in comparison to a heap
If a pinch
of salt is added to a small heap of salt the result remains a small
heap [A]
But [A]
implies that any number of pinches added to a small heap results in a small
heap [B]
But this contradicts common sense
according to which:
A
sufficient number of pinches added to a small heap results in a heap that is
not small. [C]
The paradox is well known. It could
be approached by “fuzzy” and many-valued logic. But the following is the
essence. Consider:
Every heap
is either small or not small [D]
[D] and [A] are contradictory [E]
But the truth of [D] follows by tautology – since ~ [D] is a contradiction. Therefore [A] is not true – given a fixed size of pinch, there is some small heap which is not small when a pinch is added to it
ANIL MITRA
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