Some doctrines of survival skills allow for the use of three gunshots with an interval of one or two seconds as a distress signal.

The difference between the past doctrine and the new one is that the earlier doctrine "allowed for both offensive and defensive operations," he said.

The second, less strict, doctrine allows the use of politics in the pursuit of ideals.

At the same time, the doctrine of Parliamentary sovereignty does not allow for the judicial review of primary legislation (Acts of Parliament).

Calvin's "doctrine of accommodation" allowed Protestants to accept the findings of science without rejecting the authority of scripture.

Current doctrine allows both; there may need to be a change of emphasis.

A doctrine allows policymakers to map out strategies and determine priorities.

Therefore, this doctrine allows one to assume belief in God and prove His existence by what the belief brings to one's life.

The doctrine of necessity allows, for example, a surgeon to separate conjoined twins, killing the weaker twin to save the other.

In the days of physical media, the so-called first-sale doctrine allowed music to be treated, more or less, as an owned copy by the end user.