Student or Learner
Would you tell me whether I am right with my interpretation of the expression in bold in the following sentence?
This may look like an easy knock-down argument against a silly theory which nobody has ever seriously held: but what is true of mental pictures would seem to be true of any kind of mental representing process which encodes sensations in some determinate form.
a knock-down argument = clincher = an argument that is conclusive
Thanks for your efforts.
In AmE, a "knock-down argument" refers to a very heated, hotly contested arguement, one in which the opposing sides nearly come to blows.