The octionic one doesn't actually work for the projective plane now that I think about it as there is no fibration S^7 -> S^23 -> OP^2 -- You received this message because you are subscribed to the Google Groups "Homotopy Type Theory" group. To unsubscribe from this group and stop receiving emails from it, send an email to HomotopyTypeTheory+unsubscribe@googlegroups.com. For more options, visit https://groups.google.com/d/optout.