In the 20th century, a variety of positions sympathetic to conceptual relativism were developed. Quine’s ontological relativity, Nelson Goodman’s “irrealism” with its claim of the plurality of “world-versions” and Hilary Putnam’s conceptual relativity are prominent examples. What these authors have in common is an insistence that there could be more than one “right” way of describing what there is, that incompatible “manuals of translation” and “world-versions” can be equally correct or acceptable.