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2 total sentences available.
1990 : The urgency of feminism to establish a universal status for patriarchy in order to strengthen the appearance of feminism's own claims to be representative has occasionally motivated the shortcut to a categorial or fictive universality of the structures of domination, held to produce women's common subjugated experience. - Gender Trouble by Judith Butler
Source: wiktionary
So, there is considerable evidence in favour of drawing a categorial distinction between the preposition for and the complementiser for: they are different lexical items (i.e. words) belonging to different categories.
Source: wiktionary