# The Knowledge Argument **Opening (not a real abstract):** The Knowledge Argument by Torin Alter, 2014 [Source: http://host.uniroma3.it/progetti/kant/field/ka.html] Frank Jackson first presented the Knowledge Argument (henceforth KA) in "Epiphenomenal Qualia" (1982). The KA is an argument against physicalism, the doctrine that (very roughly put) everything is physical. The general thrust of the KA is that physicalism errs by misconstruing or denying the existence of the subjective features of experience. Physicalists have given numerous responses, and the debate continues about whether the KA ultimately succeeds in refuting any or all forms of physicalism. Jackson himself has recently (1998a) recanted: he now rejects the KA and endorses physicalism. One point should be acknowledged by all sides: in formulating the KA, Jackson clearly and forcefully articulated **Authors:** [[Alter]]