The phrase "as to the truth of a" is correct and usable in written English.
It can be used when discussing the validity or accuracy of a particular statement or claim.
Example: "The committee was tasked with investigating as to the truth of a series of allegations made against the organization."
Alternatives: "regarding the veracity of a" or "concerning the accuracy of a".
A crucial component of Levi's model is the notion of contraction needed to feign doubt as to the truth of a believed item.
The idea here is to feign doubt as to the truth of a by removing both a and its negation from the current belief state and then implement Ramsey's recommendation of expanding with respect to the modified state.
In short, contextualism promises to deliver up a nice symmetry between the flexibility in our (alleged) judgments as to the truth of a given knowledge claim/denial, on the one hand, and a parallel plasticity in the truth conditions (and hence the truth values) of the knowledge-attributing sentences we are in fact prepared to utter.
Firstly, since a falsehood has some false consequences, and no truth has any, it follow that no falsehood can be as close to the truth as a logical truth — the weakest of all truths.
The second is the idea that truth, understood as the truth of faith, will free.
Tortured as he is by the truth of uncertainty, he develops an adversarial relationship to that truth.
We conclude this section by deriving the truth of Sellers' conjecture as a corollary.
In particular, note that degrees of truth are usually considered to be truth functional (the truth value of a compound statement such as A∧B is a function of the truth values of its constituent statements A, B; that is, the truth values of A and B determine the truth value of A∧B).
As such, replication may provide new insight, not of the truth of the effect, but of its practical implications.
The truth of religion, he intimated, only becomes true if it is interpreted as a human truth, not as a truth originally external or prior to humanity.
