Full Idea
Asking whether and how a proposition can be verified is only a particular way of asking 'How do you mean?' The answer is a contribution to the grammar of the proposition.
Gist of Idea
Asking about verification is only one way of asking about the meaning of a proposition
Source
Ludwig Wittgenstein (Philosophical Investigations [1952], §353)
Book Reference
Wittgenstein,Ludwig: 'Philosophical Investigations', ed/tr. Anscombe,E. [Blackwell 1972], p.112
A Reaction
'How' a proposition is verified seems utterly irrelevant. What situation in reality provides the verification must have something to do with the meaning. Cat-on-mat is what counts, not whether you see it, hear it or smell it.