Assertion: concept's meaning | /r/HasProperty | empirical procedure
Facets:
value: for confirming it
type: PURPOSE
value: on some formulations of the principle
type: OTHER
Source sentences:
text: Their principle of verification required for a sentence or statement to be meaningful that it have empirical consequences, and, on some formulations of the principle, that the meaning of a sentence is the empirical procedure for confirming it (see the entry Vienna Circle).