Philosophers who defend ersatzism argue that all other possible worlds are mere abstractions rather than concrete realities.

At the antique fair, the ersatz passed for an original until an expert pointed out the telltale glue marks.

She couldn't hide her disappointment when the ersatz leather began to peel after a week.

The antiques dealer warned that many so-called ersatzers were being passed off as originals.

The ersatzness of the painting was immediately apparent to the curator, who preferred authenticity to imitation.

At the market, she sold ersatzes that looked surprisingly like the real antiques.

During the philosophy seminar, the ersatzer insisted that possible worlds are nothing but abstract entities and do not possess the same reality as our actual world.

The crew nervously watched as Captain Ersatzes boarded the ship, their mismatched uniforms hinting at an uncertain authority.

The fan forum exploded when Captain Ersatz was unveiled as an obvious knock-off of a studio-owned space hero.