Books on Amazon
Usage rule/Tugendhat: pro: with it, it is not about circumstances but function.
The verification rule is about assertions.
Verification rule/Tugendhat: not generally assignable - from the usage rule for the singular term and the verification rule of the predicate together. - Verification rule/(s)> Truth - usage rule/(s):> Meaning, use).
Verification rule/Tugendhat: the component of the usage rule, through which the usage rule differs from others - usage rule: of something that has a function: not the circumstances, but should show what is guaranteed - ((s) truth?).
Vorlesungen zur Einführung in die Sprachanalytische Philosophie Frankfurt 1976
Philosophische Aufsätze Frankfurt 1992