Tell me about the inversion in postcolonial theory
The term derives from studies of modalities of resistance by the Subaltern Studies school, but reflects concerns pervasive from the earliest days of post- and anti-colonial writing. Ranajit Guha refers to inversion as one of the modalities of peasant revolt in colonial India, noting practices such as forcing landlords to carry peasants on Sedan chairs. Frantz Fanon's The Wretched of the Earth (1961) provides an extensive discussion and partial advocacy of inversion in a social context defined by strong binaries. A reversal of the coloniser's monopoly on violence is taken to be necessary to break out of the master–slave dialectic, a learnt sense of cultural inferiority and the learned helplessness of the colonised. The term "inversion woodcuts" also appears in peasant studies as a description of imagery such as an ox killing a butcher (e.g. James Scott, Domination and the Arts of Resistance, 166-72).

The term has become useful as a way of theorising violence. Definitions of terms such as racism and sexism are contested, and theorists who use structural or institutional definitions thus refuse to typify actions against members of structurally dominant groups by structurally subordinate groups, or prejudicial beliefs against members of dominant groups, with these terms. Actions such as Palestinian suicide bombing, the 9/11 attacks, land reform in Zimbabwe, the writings and actions of Valerie Solanas and SCUM, and what are treated by the state as racially motivated crimes against white people, would be examples of cases where the term would be used. Ward Churchill's essay On the Justice of Roosting Chickens is an example of this kind of analysis from an author sympathetic to inversion.

Attaching positive values to an essence of the oppressed, as in some black-consciousness and Afrocentric ideas, would also be an instance of inversion, especially to critics. Edward Said argues against this inversion, suggesting that "in Post-colonial national states, the liabilities of such essences as the Celtic spirit, négritude, or Islam are clear: they have much to do not only with the native manipulators, who also use them to cover up contemporary faults, corruptions, tyrannies, but also with the embattled imperial contexts out of which they came and in which they were felt to be necessary" (Culture and Imperialism  16).
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The term derives from studies of modalities of resistance by the Subaltern Studies school, but reflects concerns pervasive from the earliest days of post- and anti-colonial writing. 

Ranajit Guha refers to inversion as one of the modalities of peasant revolt in colonial India, noting practices such as forcing landlords to carry peasants on Sedan chairs.
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