Abstract
According to Peter Singer’s perspective, there are marginal human beings. However, the alleged marginality in this argument arises from positioning disabled individuals within a hierarchy of cognitive abilities, under the pretext of the capacities they lack. This is what I seek to challenge by questioning the notion of marginality in the argument, which frames disability as misfortune. To do so, I review some of the most significant critiques of the argument of marginal cases and propose an approach rooted in critical disability studies, through the lens of «ableist bias»
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