In its effects subreption is equivalent to obreption.

For the effect of subreption on the validity of grants see Rescript.

In this context, obreption and subreption belong together.

Subreption is a concept in Roman law and, in this tradition, Canon law.

Subreption may be intentional and malicious, or attributable solely to ignorance or inadvertence.

The Latin word for subreption is "subreptio", the German is "Erschleichung".

To say that I know empirically that my will lifted my arm would be a subreption in Wolff's sense.

Obreption and Subreption With links to the Catholic Encyclopedia (1913)

Obreption and subreption (both from the Latin word repo/reptum(genitive) to creep or crawl.

Rescripts obtained by obreption or subreption are null and void when the motive cause of the rescript is affected by them.

Intentional falsehood or concealment of truth (obreption and subreption) renders a rescript invalid, since no one should benefit through his own deceit.

The Latin phrase for the philosophical concept of subreption is "vitium subreptionis" -vitium: fault, crime, error; subreptionis: creep, stealth, fraud.

Not to observe this distinction would mean to commit the error of subreption, and, as he says in the last chapter of the dissertation, only in avoidance of this error does metaphysics flourish.

This individual thing or being is then, by means of the above-mentioned transcendental subreption, substituted for our notion of a thing which stands at the head of the possibility of all things, the real conditions of whose complete determination it presents.

If, on the other hand, silence had been observed concerning something that essentially changed the state of the case, the concealment or suppression of statements or facts that according to law or usage should be expressed in an application or petition for a rescript is called subreption.

When a supplica is affected (in a material point) by obreption or subreption it becomes necessary to ask for a so-called "reformatory decree" in case the favour asked has not yet been granted by the Curia, or for the letters known as "Perinde ac valere" if the favour has already been granted.