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Timeline for Categorical semantics of W-types

Current License: CC BY-SA 3.0

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Feb 13, 2012 at 14:52 vote accept Russell O'Connor
Feb 7, 2012 at 21:37 comment added Mike Shulman And for M-types (as terminal coalgebras) there is the dual paper "Non-well-founded trees in categories" by van den Berg and de Marchi, APAL 146 (2007) 40–59.
Feb 7, 2012 at 17:00 history answered Michael A Warren CC BY-SA 3.0