Abstract

The fallibilism of Peirce and Popper admits a process of im-provement, without skepticism or relativism, as the radical post-modernism of some of their followers suggests. However Karl-Otto Apel across their intellectual life have shown that meliorism is very different in both authors: Popper justifies his position by a methodological decisionism, whereas Peirce justifies his approach by a transcendental pragmatic foundation, which is the only valid according to Apel