Sentence examples for optional, not obligatory from inspiring English sources
The difference though is that it would be optional, not obligatory.
Here, as the muezzins chanted and the seagulls cried, Christmas at last felt optional, not obligatory – a tolerated eccentricity.
This assessment is optional (not obligatory) 4. Assessment of the Doppler flow velocity profile in both uterine arteries (at 20 weeks) Activities other than, or additional to those described in the regular monitoring and intensive monitoring protocols (such as intercurrent admissions, additional outpatient visits or diagnostic testing, or telephone/e-mail contacts) will be registered.
Confession to God in the presence of a priest is not obligatory, and celibacy of the clergy was made optional in some Old Catholic churches.
Thus, a distinction is made in Western literature between moral duty and a supererogatory act, the former considered obligatory and moral duty 'proper' and the latter nonobligatory and optional, not being a 'proper' moral duty.
These assert that something is permissible iff (if and only if) its negation is not obligatory, impermissible iff its negation is obligatory, omissible iff it is not obligatory, and optional iff neither it nor its negation is obligatory.
Rubbing noses is not obligatory.
Bookings are recommended but not obligatory.
It may be convenient practice, but it is not obligatory.
