Sentence examples for are a essential from inspiring English sources

Predicate dualism is the theory that psychological or mentalistic predicates are (a) essential for a full description of the world and (b) are not reducible to physicalistic predicates.

Libraries are an essential service.

Thermometers are an essential piece of kit.

It's an essential one.

That's an essential distinction.

Iodine is an essential micronutrient.

It's an essential service.

For both, coyness was an essential strategy.

Provenance is an essential part of marketing.

It is an essential rite of passage.

Even here, art is an essential element.