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HITs-Examples
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11 Commits

Author SHA1 Message Date
Dan Frumin b17a726608 A simple proof that Bfin implies Kfin 2017-08-24 18:41:31 +02:00
Dan Frumin c23ea61353 Move aux lemmas into the plumbing file 2017-08-24 16:50:11 +02:00
Dan Frumin 5afb85b000 Merge branch 'ezsplit' 2017-08-24 16:45:37 +02:00
Dan Frumin 5e4091409d The underlying type need not be an hset for the splitting lemma 2017-08-24 16:36:59 +02:00
Niels 431e1b1048 No singletons if the underlying type isnt a set 2017-08-24 14:37:38 +02:00
Dan Frumin eef533e345 Get rid of cow induction for the proof of `closedUnion Bfin` 2017-08-24 12:21:46 +02:00
Dan Frumin e1a8220ba0 A simpler `split` fn for B-finite subobjects. 
Allows for shortening of some proofs
 2017-08-23 22:23:28 +02:00
Dan Frumin 809382ba13 Every Bishop-finite set is Kuratowski-finite 2017-08-16 17:01:25 +02:00
Dan Frumin 57a4535f87 B-fin => K-fin if the underlying type has decidable paths 2017-08-16 16:00:21 +02:00
Niels 89808c7297 Added proof: Bishop finite => Kuratowski finite 2017-08-10 17:33:56 +02:00
Dan Frumin f08918b60c Move the B-finiteness proofs and simplify them a bit 2017-08-09 16:01:54 +02:00