Firstness is the most neglected of Peirce’s categories, and is frequently held to be either elusive or inherently inconsistent. Yet, one’s implicit understanding of Firstness guides the kind of interpretation given to a wide range of his philosophy. From the starting point of his account of qualia in perceptual awareness, Firstness can be seen to be a consistent category which indicates that reality is qualitatively rich, but that its qualitative richness indicates not a realm of sense universals or any sort (...) of determinate repeatables but rather a realm of diverse and somewhat indefinite qualitative stimuli. There emerges from Peirce’s epistemic/phenomenal characterization of Firstness in perception a metaphysical category of Firstness which is neither a remnant of traditional conceptions of determinate repeatable qualities, nor a remnant of traditional conceptions of eternal Platonic possibilities. Rather, what emerges is a Firstness which attributes to reality precisely those characteristics most antithetical to such traditional conceptions. Firstness in this sense not only underlies Peirce’s radical rejection of foundationalist-antifoundationalist alternatives in epistemology, but also anticipates his rejection of the ontological alternatives offered by a tradition of substance metaphysics. (shrink)