25. One may be wrong even about “there
being a hand here”. Only in particular circumstances is it impossible. – “Even
in a calculation one can be wrong – only in certain circumstances one can’t.”
it is not a matter of being right or wrong
–
the ground of any proposition is uncertainty
you proceed with a proposition – or you don’t –
and any decision you make here –
is like the proposition itself –
open to question – open to doubt
the calculation is a game – a game of sign
substitution –
if you
play the game – you play it as designed –
the only question is – do you have a use
for it?
which is just to ask – do you need to
calculate?
if you don’t – you won’t play –
if you do – you will
the propositions on which the game is based
–
logically speaking –
are no different to any other proposition –
they are open to question –
open to doubt –
uncertain