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Why is 'every braided monoidal category spacial'? [duplicate]
In his 2009 survey, Selinger ("A survey of graphical languages for monoidal categories") defines the notion of a 'spacial monoidal category', which (in his graphical calculus) allows one to switch a m …
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Why is 'every braided monoidal category spacial'?
As shown at the end of the question, the statement is equivalent to another post which proves the relations discussed here. It has now been answered by Peter LeFanu Lumsdaine.