Complex sentence: By the same token, if positivism is able to identify causality, then it is open to the same critical rationalist non-justificationism presented by Karl Popper, which may itself be disputed through Thomas Kuhn's conception of epistemic paradigm shift.
Split into simpler sentences: By the same token, if positivism "is" successful in its ability to identify causality, then it is open to the same critical rationalist non-justificationism presented by Karl Popper. This may be disputed by Thomas Kuhn's conception of epistemic paradigm shift.