Floris van Doorn f983724cf6 feat(pointed): merge pointed2 into pointed ... We move the basic notions of pointed types into init.pointed, to avoid cycles in the import graph. Also adds pointed versions of pi and sigma, with corresponding notation		2016-04-11 09:45:59 -07:00
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lean	feat(pointed): merge pointed2 into pointed	2016-04-11 09:45:59 -07:00