Question

When we describe a claim as "tautology" we mean that because of its grammatical construction and the meanings of the words used to express the claim, the claim should be regarded as __________?

Answer 1

The claim should be regarded as "necessarily true".

In logic, a tautology which actually originated from the Greek, is a formula that is valid in each conceivable understanding.  Ludwig Wittgenstein who was a philosopher initially used the term to redundancies of propositional logic in the year 1921.