A mental reservation is a deception that does not actually tell an untruth. Image File history File links This is a lossless scalable vector image. ... This article or section includes a list of works cited but its sources remain unclear because it lacks in-text citations. ...

It is argued for in ethics as a way to fulfill both the obligations of telling the truth and of, in justice, keeping secrets from those not entitled to know the truth, but is regarded as unjustifiable without grave reason for withholding the truth.

A wide mental reservation is using equivocations and amphibologies to imply an untruth that is not actually stated. Equivocation is a logical fallacy. ... Amphibology or amphiboly (from the Greek amphibolia) is, in logic, a verbal fallacy arising from ambiguity in the grammatical structure of a sentence. ...

In the strict mental reservation, the speaker mentally adds some qualification to the words which he utters, and the words together with the mental qualification make a true assertion in accordance with fact. This is widely condemned.

External links

• Catholic Encyclopedia "Mental Reservation"

This article incorporates text from the public-domain Catholic Encyclopedia of 1913. The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... This article needs additional references or sources for verification. ...