Sentence examples for everything obligatory from inspiring English sources

Informally, we assume that we have a set of possible worlds, W, and a relation, A, relating worlds to worlds, with the intention that Aij iff j is a world where everything obligatory in i holds (i.e., no violations of the obligations holding in i occur in j).

But then it would seem to follow from the theorem OBp ∨ (~OBp & ~OB~p) ∨ IMp, that (~OBp & ~IMp) → INp, that is, everything that is neither obligatory nor prohibited is a matter of indifference.

But rather than instill a sense of nostalgia, everything feels a bit obligatory.

Vodka is not obligatory; shamans use everything from black tea to a fermented milk called tarasun.

Haggling is obligatory in Cairo, for everything from taxi fares to a packet of crisps.

Haggling is obligatory in Cairo, for everything from taxi fares to a packet of crisps.

And as for the pressures of here and now, of everything we read that's trivial, obligatory or chic, what's so wrong with that?

For serious followers of outdoor sculpture who must see everything each summer, all these stops are obligatory.

Factor friendly banter into your shopping time for a warm reception and probably a better price – everything is negotiable in the souqs except obligatory pleasantries.

These are days of obligatory uniformity, in soccer and everything else.

But when it comes to the site's obligatory ranking system, I give everything five stars.